[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-18 Thread mahesh kumar behera (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16723830#comment-16723830
 ] 

mahesh kumar behera commented on HIVE-18661:


09.patch committed to master. thanks [~daijy] for review.

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-17 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16723714#comment-16723714
 ] 

Daniel Dai commented on HIVE-18661:
---

+1 pending tests for 09.patch.

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-16 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722671#comment-16722671
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951977/HIVE-18661.09.patch

{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.

{color:green}SUCCESS:{color} +1 due to 15728 tests passed

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/15348/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15348/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15348/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951977 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-16 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722662#comment-16722662
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m  
1s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
35s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
23s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
16s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
3s{color} | {color:blue} standalone-metastore/metastore-server in master has 
188 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
43s{color} | {color:blue} ql in master has 2310 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
24s{color} | {color:blue} hcatalog/server-extensions in master has 3 extant 
Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
35s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
46s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m  
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  3m  
6s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
35s{color} | {color:red} ql: The patch generated 4 new + 3 unchanged - 0 fixed 
= 7 total (was 3) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
16s{color} | {color:red} itests/hive-unit: The patch generated 20 new + 86 
unchanged - 0 fixed = 106 total (was 86) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m  
8s{color} | {color:red} standalone-metastore/metastore-server generated 1 new + 
188 unchanged - 0 fixed = 189 total (was 188) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
18s{color} | {color:red} standalone-metastore_metastore-server generated 1 new 
+ 48 unchanged - 0 fixed = 49 total (was 48) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
12s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 45m 11s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line ] |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-15348/dev-support/hive-personality.sh
 |
| git revision | master / 4e41560 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-15 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722379#comment-16722379
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951914/HIVE-18661.09.patch

{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 19 failed/errored test(s), 15727 tests 
executed
*Failed tests:*
{noformat}
TestLocationQueries - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
org.apache.hadoop.hive.metastore.TestObjectStore.catalogs (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testDatabaseOps (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testDirectSQLDropParitionsCleanup
 (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testDirectSQLDropPartitionsCacheCrossSession
 (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testDirectSqlErrorMetrics 
(batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testMasterKeyOps (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testMaxEventResponse 
(batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testPartitionOps (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testQueryCloseOnError 
(batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testRoleOps (batchId=229)
org.apache.hadoop.hive.metastore.TestObjectStore.testTableOps (batchId=229)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerCustomCreatedDynamicPartitions
 (batchId=261)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerCustomCreatedDynamicPartitionsUnionAll
 (batchId=261)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerCustomNonExistent
 (batchId=261)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerHighBytesRead 
(batchId=261)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerHighShuffleBytes
 (batchId=261)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerSlowQueryElapsedTime
 (batchId=261)
org.apache.hive.jdbc.TestTriggersTezSessionPoolManager.testTriggerSlowQueryExecutionTime
 (batchId=261)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/15339/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15339/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15339/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 19 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951914 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)


[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-15 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722372#comment-16722372
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m  
4s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
21s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
25s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
14s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
4s{color} | {color:blue} standalone-metastore/metastore-server in master has 
188 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
37s{color} | {color:blue} ql in master has 2310 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
25s{color} | {color:blue} hcatalog/server-extensions in master has 3 extant 
Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
35s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
43s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
25s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m  
5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  3m  
5s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
37s{color} | {color:red} ql: The patch generated 4 new + 3 unchanged - 0 fixed 
= 7 total (was 3) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
16s{color} | {color:red} itests/hive-unit: The patch generated 20 new + 86 
unchanged - 0 fixed = 106 total (was 86) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
14s{color} | {color:red} standalone-metastore/metastore-server generated 1 new 
+ 188 unchanged - 0 fixed = 189 total (was 188) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
17s{color} | {color:red} standalone-metastore_metastore-server generated 1 new 
+ 48 unchanged - 0 fixed = 49 total (was 48) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
12s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 44m 47s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line ] |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-15339/dev-support/hive-personality.sh
 |
| git revision | master / 4e41560 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-14 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722026#comment-16722026
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951879/HIVE-18661.09.patch

{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 15712 tests 
executed
*Failed tests:*
{noformat}
TestAlterTableMetadata - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestLocationQueries - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestReplAcidTablesWithJsonMessage - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
TestSemanticAnalyzerHookLoading - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
org.apache.hadoop.hive.ql.TestTxnCommandsWithSplitUpdateAndVectorization.testTimeOutReaper
 (batchId=306)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/15337/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15337/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15337/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 5 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951879 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)


[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-14 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16722020#comment-16722020
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
46s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
57s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m 
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
26s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
18s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
5s{color} | {color:blue} standalone-metastore/metastore-server in master has 
188 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
44s{color} | {color:blue} ql in master has 2310 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
24s{color} | {color:blue} hcatalog/server-extensions in master has 3 extant 
Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
37s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
41s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
25s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m  
6s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  3m  
6s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
36s{color} | {color:red} ql: The patch generated 4 new + 3 unchanged - 0 fixed 
= 7 total (was 3) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
15s{color} | {color:red} itests/hive-unit: The patch generated 20 new + 86 
unchanged - 0 fixed = 106 total (was 86) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
14s{color} | {color:red} standalone-metastore/metastore-server generated 1 new 
+ 188 unchanged - 0 fixed = 189 total (was 188) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
18s{color} | {color:red} standalone-metastore_metastore-server generated 1 new 
+ 48 unchanged - 0 fixed = 49 total (was 48) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
12s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 45m 23s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line ] |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-15337/dev-support/hive-personality.sh
 |
| git revision | master / 4e41560 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-14 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721102#comment-16721102
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951781/HIVE-18661.09.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/15319/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15319/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15319/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL 
https://issues.apache.org/jira/secure/attachment/12951781/HIVE-18661.09.patch 
was found in seen patch url's cache and a test was probably run already on it. 
Aborting...
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951781 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-14 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721048#comment-16721048
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951781/HIVE-18661.09.patch

{color:green}SUCCESS:{color} +1 due to 4 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 15666 tests 
executed
*Failed tests:*
{noformat}
org.apache.hive.jdbc.TestSSL.testMetastoreWithSSL (batchId=255)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/15318/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15318/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15318/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951781 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch, HIVE-18661.09.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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This message was sent by Atlassian JIRA
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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-14 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16721036#comment-16721036
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
31s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m  
6s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
23s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m  
9s{color} | {color:blue} standalone-metastore/metastore-common in master has 29 
extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
2s{color} | {color:blue} standalone-metastore/metastore-server in master has 
188 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
39s{color} | {color:blue} ql in master has 2310 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
24s{color} | {color:blue} hcatalog/server-extensions in master has 3 extant 
Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
34s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
43s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
25s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
34s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  3m  
8s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  3m  
8s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
36s{color} | {color:red} ql: The patch generated 4 new + 3 unchanged - 0 fixed 
= 7 total (was 3) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
16s{color} | {color:red} itests/hive-unit: The patch generated 20 new + 86 
unchanged - 0 fixed = 106 total (was 86) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
13s{color} | {color:red} standalone-metastore/metastore-server generated 1 new 
+ 188 unchanged - 0 fixed = 189 total (was 188) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
18s{color} | {color:red} standalone-metastore_metastore-server generated 1 new 
+ 48 unchanged - 0 fixed = 49 total (was 48) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
11s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 44m 41s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line ] |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-15318/dev-support/hive-personality.sh
 |
| git revision | master / e8e0396 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-13 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720920#comment-16720920
 ] 

Daniel Dai commented on HIVE-18661:
---

Discussed with Mahesh, the commitTransaction is actually metastore db 
transaction. So after every ddl, there's a commitTransaction. So this should be 
fine. +1.

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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This message was sent by Atlassian JIRA
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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-13 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720669#comment-16720669
 ] 

Daniel Dai commented on HIVE-18661:
---

Sorry need to take back, DDL are not usually in an open transaction, they will 
potentially read old content. For example, you alter a table, then periodical 
update overwrite with old image, then you do a describe, since there's no 
commit transaction, and there's no open transaction, you will read old image. 
Is that right?

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-13 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720528#comment-16720528
 ] 

Daniel Dai commented on HIVE-18661:
---

+1 pending tests.

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-13 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720386#comment-16720386
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12951650/HIVE-18661.08.patch

{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 15626 tests 
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.metastore.TestHiveMetaStoreSchemaMethods.org.apache.hadoop.hive.metastore.TestHiveMetaStoreSchemaMethods
 (batchId=227)
org.apache.hadoop.hive.ql.parse.TestReplAcidTablesWithJsonMessage.testOpenTxnEvent
 (batchId=248)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcidTables.testOpenTxnEvent
 (batchId=245)
org.apache.hive.hcatalog.listener.TestDbNotificationListener.sqlCTAS 
(batchId=264)
org.apache.hive.hcatalog.listener.TestDbNotificationListener.sqlInsertPartition 
(batchId=264)
org.apache.hive.hcatalog.listener.TestDbNotificationListener.sqlInsertTable 
(batchId=264)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/15299/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/15299/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-15299/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12951650 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch, HIVE-18661.08.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-12-13 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16720357#comment-16720357
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  1m 
23s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  6m 
36s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
48s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
13s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m  
8s{color} | {color:blue} standalone-metastore/metastore-common in master has 29 
extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
5s{color} | {color:blue} standalone-metastore/metastore-server in master has 
188 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 
48s{color} | {color:blue} ql in master has 2310 extant Findbugs warnings. 
{color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
25s{color} | {color:blue} hcatalog/server-extensions in master has 3 extant 
Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
37s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
35s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
26s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 
47s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
37s{color} | {color:red} ql: The patch generated 4 new + 3 unchanged - 0 fixed 
= 7 total (was 3) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
15s{color} | {color:red} itests/hive-unit: The patch generated 20 new + 0 
unchanged - 0 fixed = 20 total (was 0) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
10s{color} | {color:red} standalone-metastore/metastore-server generated 3 new 
+ 188 unchanged - 0 fixed = 191 total (was 188) {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
18s{color} | {color:red} standalone-metastore_metastore-server generated 1 new 
+ 48 unchanged - 0 fixed = 49 total (was 48) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 43m 18s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line 2226] |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.updateStatsForTable(RawStore,
 Table, Table, String, String, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.updateStatsForTable(RawStore,
 Table, Table, String, String, String)  At CachedStore.java:[line 239] |
|  |  Redundant nullcheck of colStats which is known to be null in 
org.apache.hadoop.hive.metastore.cache.CachedStore.updateSta

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-13 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16685020#comment-16685020
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12947940/HIVE-18661.07.patch

{color:red}ERROR:{color} -1 due to build exiting with an error

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/14908/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14908/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14908/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Tests exited with: Exception: Patch URL 
https://issues.apache.org/jira/secure/attachment/12947940/HIVE-18661.07.patch 
was found in seen patch url's cache and a test was probably run already on it. 
Aborting...
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12947940 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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This message was sent by Atlassian JIRA
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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-13 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16685019#comment-16685019
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12947940/HIVE-18661.07.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 12 failed/errored test(s), 15523 tests 
executed
*Failed tests:*
{noformat}
TestAlterTableMetadata - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestCopyUtils - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestLocationQueries - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestReplAcidTablesWithJsonMessage - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
TestReplIncrementalLoadAcidTablesWithJsonMessage - did not produce a TEST-*.xml 
file (likely timed out) (batchId=250)
TestSemanticAnalyzerHookLoading - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testComplexQuery (batchId=258)
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testDataTypes (batchId=258)
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testEscapedStrings (batchId=258)
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testKillQuery (batchId=258)
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testLlapInputFormatEndToEnd 
(batchId=258)
org.apache.hive.jdbc.TestJdbcWithMiniLlapArrow.testNonAsciiStrings (batchId=258)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/14907/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14907/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14907/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 12 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12947940 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch, HIVE-18661.06.patch, 
> HIVE-18661.07.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)


[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-13 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16684962#comment-16684962
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
27s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
 6s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
29s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
29s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
12s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
37s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
6s{color} | {color:blue} standalone-metastore/metastore-server in master has 
185 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
29s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
38s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
39s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 38s{color} 
| {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
15s{color} | {color:red} itests/hive-unit: The patch generated 11 new + 0 
unchanged - 0 fixed = 11 total (was 0) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
35s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m  
9s{color} | {color:red} standalone-metastore/metastore-server generated 1 new + 
185 unchanged - 0 fixed = 186 total (was 185) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
29s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 25m 35s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line 2128] |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-14907/dev-support/hive-personality.sh
 |
| git revision | master / af40170 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14907/yetus/patch-mvninstall-itests_hive-unit.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14907/yetus/patch-compile-itests_hive-unit.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14907/yetus/patch-compile-itests_hive-unit.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14907/yetus/diff-checkstyle-itests_h

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-10 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16682300#comment-16682300
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12947567/HIVE-18661.05.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 15521 tests 
executed
*Failed tests:*
{noformat}
TestAlterTableMetadata - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestCopyUtils - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestLocationQueries - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestReplAcidTablesWithJsonMessage - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
TestReplIncrementalLoadAcidTablesWithJsonMessage - did not produce a TEST-*.xml 
file (likely timed out) (batchId=250)
TestSemanticAnalyzerHookLoading - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/14853/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14853/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14853/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12947567 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch, 
> HIVE-18661.04.patch, HIVE-18661.05.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)


[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-10 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16682278#comment-16682278
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
33s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
 4s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
29s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
28s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
11s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
36s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
1s{color} | {color:blue} standalone-metastore/metastore-server in master has 
185 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
25s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
36s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
38s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 38s{color} 
| {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
14s{color} | {color:red} itests/hive-unit: The patch generated 11 new + 0 
unchanged - 0 fixed = 11 total (was 0) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
31s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
10s{color} | {color:red} standalone-metastore/metastore-server generated 1 new 
+ 185 unchanged - 0 fixed = 186 total (was 185) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
28s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
12s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 25m 10s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| FindBugs | module:standalone-metastore/metastore-server |
|  |  Load of known null value in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:in 
org.apache.hadoop.hive.metastore.cache.CachedStore.get_aggr_stats_for(String, 
String, String, List, List, String)  At CachedStore.java:[line 2106] |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-14853/dev-support/hive-personality.sh
 |
| git revision | master / 7ae4a2c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14853/yetus/patch-mvninstall-itests_hive-unit.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14853/yetus/patch-compile-itests_hive-unit.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14853/yetus/patch-compile-itests_hive-unit.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14853/yetus/diff-checkstyle-itests_h

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-05 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16676133#comment-16676133
 ] 

Daniel Dai commented on HIVE-18661:
---

Yes, in notification update, you don't need to invalidate cache. That's only 
applicable to time based update.

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-05 Thread mahesh kumar behera (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16676081#comment-16676081
 ] 

mahesh kumar behera commented on HIVE-18661:


[~thejas] . [~daijy]
in that case we should skip local metastore cache invalidation, just trigger 
the task to update using events ?

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-05 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16675988#comment-16675988
 ] 

Daniel Dai commented on HIVE-18661:
---

Discussed with [~thejas], we still need a strong consistent cache which 
requires old data not overwrite new data. There are two approaches to do that:
1. For every cache entry, add a timestamp field (we can use notification_id for 
that purpose). Compare timestamp before every write. The complication is we 
need a tombstone field for entries deleted. Otherwise, some abnormality will 
happen. For example, if metastore B add a partition, then metastore A drop a 
partition later. However, on metastore A, it first get drop partition request, 
then from notification, create the partition. If there's no tombstone entry in 
partition cache to tell drop is after creation, we end up consumes the creation 
request. Though eventually there's drop partition notification, but during the 
interim, later event takes precedence.
2. For every local cache write, apply eariler notification first. That is, if 
metastore B add a partition, then metastore A drop a partition later, metastore 
A will first apply all notification before drooping the partition. That may 
delay the write operation (drop the partition in the example), but will 
serialize the events in metastores.

So probably approach 2 is easier and we can proceed with it.

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-04 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16674656#comment-16674656
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12946849/HIVE-18661.03.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 15508 tests 
executed
*Failed tests:*
{noformat}
TestAlterTableMetadata - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestCopyUtils - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestLocationQueries - did not produce a TEST-*.xml file (likely timed out) 
(batchId=250)
TestReplAcidTablesWithJsonMessage - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
TestReplIncrementalLoadAcidTablesWithJsonMessage - did not produce a TEST-*.xml 
file (likely timed out) (batchId=250)
TestSemanticAnalyzerHookLoading - did not produce a TEST-*.xml file (likely 
timed out) (batchId=250)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/14746/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14746/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14746/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12946849 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch, HIVE-18661.03.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-04 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16674638#comment-16674638
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
35s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
40s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
32s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
28s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
12s{color} | {color:blue} standalone-metastore/metastore-common in master has 
29 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
36s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
5s{color} | {color:blue} standalone-metastore/metastore-server in master has 
185 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
29s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
38s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
38s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 38s{color} 
| {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
14s{color} | {color:red} itests/hive-unit: The patch generated 11 new + 0 
unchanged - 0 fixed = 11 total (was 0) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
32s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
31s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 26m  5s{color} | 
{color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-14746/dev-support/hive-personality.sh
 |
| git revision | master / 670e49f |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus/patch-mvninstall-itests_hive-unit.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus/patch-compile-itests_hive-unit.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus/patch-compile-itests_hive-unit.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus/diff-checkstyle-itests_hive-unit.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus/whitespace-eol.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus/patch-findbugs-itests_hive-unit.txt
 |
| modules | C: standalone-metastore/metastore-common itests/hive-unit 
standalone-metastore/metastore-server U: . |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14746/yetus.txt |
| Powered by | Apache Yetushttp://yetus.apache.org |


This message was automatically generated.



> CachedStore: Use metastore notification log events to update cache
> --

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-11-02 Thread Daniel Dai (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672685#comment-16672685
 ] 

Daniel Dai commented on HIVE-18661:
---

Note with current patch, it could happen:
1. Metastore A update table t1
2. Metastore B update table t1
3. Metastore B read notification about A's update, overwrite B's newer change
4. Metastore B will eventually read B's update from notification, bring back 
B's newer change

I think it might be ok with this eventual consistent behavior. Otherwise, we 
need some more complex mechanism to track which change is newer. cc [~thejas]

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-10-29 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16667420#comment-16667420
 ] 

Hive QA commented on HIVE-18661:




Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12946051/HIVE-18661.02.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 15492 tests 
executed
*Failed tests:*
{noformat}
TestAlterTableMetadata - did not produce a TEST-*.xml file (likely timed out) 
(batchId=249)
TestCopyUtils - did not produce a TEST-*.xml file (likely timed out) 
(batchId=249)
TestLocationQueries - did not produce a TEST-*.xml file (likely timed out) 
(batchId=249)
TestReplAcidTablesWithJsonMessage - did not produce a TEST-*.xml file (likely 
timed out) (batchId=249)
TestReplIncrementalLoadAcidTablesWithJsonMessage - did not produce a TEST-*.xml 
file (likely timed out) (batchId=249)
TestSemanticAnalyzerHookLoading - did not produce a TEST-*.xml file (likely 
timed out) (batchId=249)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/14681/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14681/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14681/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12946051 - PreCommit-HIVE-Build

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-10-29 Thread Hive QA (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16667374#comment-16667374
 ] 

Hive QA commented on HIVE-18661:


| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
34s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 
35s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
29s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
26s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  2m 
13s{color} | {color:blue} standalone-metastore/metastore-common in master has 
28 extant Findbugs warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m 
37s{color} | {color:blue} itests/hive-unit in master has 2 extant Findbugs 
warnings. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  1m  
0s{color} | {color:blue} standalone-metastore/metastore-server in master has 
181 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
31s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m  
9s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 
37s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
38s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 38s{color} 
| {color:red} hive-unit in the patch failed. {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
14s{color} | {color:red} itests/hive-unit: The patch generated 11 new + 0 
unchanged - 0 fixed = 11 total (was 0) {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 3 line(s) that end in whitespace. Use git 
apply --whitespace=fix <>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
35s{color} | {color:red} hive-unit in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
26s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
12s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 26m  1s{color} | 
{color:black} {color} |
\\
\\
|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-14681/dev-support/hive-personality.sh
 |
| git revision | master / 54bba9c |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| mvninstall | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14681/yetus/patch-mvninstall-itests_hive-unit.txt
 |
| compile | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14681/yetus/patch-compile-itests_hive-unit.txt
 |
| javac | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14681/yetus/patch-compile-itests_hive-unit.txt
 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14681/yetus/diff-checkstyle-itests_hive-unit.txt
 |
| whitespace | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14681/yetus/whitespace-eol.txt
 |
| findbugs | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-14681/yetus/patch-findbugs-itests_hive-unit.txt
 |
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> CachedStore: Use metastore notification log events to update cache
> --

[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-10-29 Thread ASF GitHub Bot (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16667216#comment-16667216
 ] 

ASF GitHub Bot commented on HIVE-18661:
---

GitHub user maheshk114 opened a pull request:

https://github.com/apache/hive/pull/479

HIVE-18661 : CachedStore: Use metastore notification log events to update 
cache

…

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/maheshk114/hive HIVE-18661-1

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/hive/pull/479.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #479


commit d1698c7cfe9dc87c6044a1d78478a8c1968e2501
Author: Mahesh Kumar Behera 
Date:   2018-10-29T12:49:26Z

HIVE-18661 : CachedStore: Use metastore notification log events to update 
cache




> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
>  Labels: pull-request-available
> Attachments: HIVE-18661.02.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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[jira] [Commented] (HIVE-18661) CachedStore: Use metastore notification log events to update cache

2018-10-29 Thread mahesh kumar behera (JIRA)


[ 
https://issues.apache.org/jira/browse/HIVE-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16667213#comment-16667213
 ] 

mahesh kumar behera commented on HIVE-18661:


[~vgumashta]

Can you please review the patch

> CachedStore: Use metastore notification log events to update cache
> --
>
> Key: HIVE-18661
> URL: https://issues.apache.org/jira/browse/HIVE-18661
> Project: Hive
>  Issue Type: Sub-task
>  Components: Metastore
>Reporter: Vaibhav Gumashta
>Assignee: mahesh kumar behera
>Priority: Major
> Attachments: HIVE-18661.02.patch
>
>
> Currently, a background thread updates the entire cache which is pretty 
> inefficient. We capture the updates to metadata in NOTIFICATION_LOG table 
> which is getting used in the Replication work. We should have the background 
> thread apply these notifications to incrementally update the cache.



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