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https://issues.apache.org/jira/browse/HBASE-18294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16359979#comment-16359979
 ] 

Hadoop QA commented on HBASE-18294:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  2m 
24s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Findbugs executables are not available. {color} |
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green}  0m  
0s{color} | {color:green} Patch does not have any anti-patterns. {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:green}+1{color} | {color:green} test4tests {color} | {color:green}  0m 
 0s{color} | {color:green} The patch appears to include 17 new or modified test 
files. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
13s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
 8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m  
6s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  2m 
48s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  8m 
 7s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
32s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
14s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  5m 
25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  2m 
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  2m 
14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
34s{color} | {color:green} The patch hbase-common passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
35s{color} | {color:green} The patch hbase-client passed checkstyle {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
25s{color} | {color:green} hbase-server: The patch generated 0 new + 806 
unchanged - 7 fixed = 806 total (was 813) {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
22s{color} | {color:green} The patch hbase-mapreduce passed checkstyle {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  5m 
34s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
21m 36s{color} | {color:green} Patch does not cause any errors with Hadoop 
2.6.5 2.7.4 or 3.0.0. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
39s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
29s{color} | {color:green} hbase-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m  
3s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 99m 11s{color} 
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 11m 
34s{color} | {color:green} hbase-mapreduce in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  1m 
18s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}171m 58s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.client.TestClientPushback |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:eee3b01 |
| JIRA Issue | HBASE-18294 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12910092/HBASE-18294.01.patch |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux 0871c058bac7 3.13.0-133-generic #182-Ubuntu SMP Tue Sep 19 
15:49:21 UTC 2017 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
 |
| git revision | master / 0593dda663 |
| maven | version: Apache Maven 3.5.2 
(138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) |
| Default Java | 1.8.0_151 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11485/artifact/patchprocess/patch-unit-hbase-server.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11485/testReport/ |
| Max. process+thread count | 5181 (vs. ulimit of 10000) |
| modules | C: hbase-common hbase-client hbase-server hbase-mapreduce U: . |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/11485/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> Reduce global heap pressure: flush based on heap occupancy
> ----------------------------------------------------------
>
>                 Key: HBASE-18294
>                 URL: https://issues.apache.org/jira/browse/HBASE-18294
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 3.0.0
>            Reporter: Eshcar Hillel
>            Assignee: Eshcar Hillel
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>         Attachments: HBASE-18294.01.patch, HBASE-18294.01.patch, 
> HBASE-18294.01.patch, HBASE-18294.01.patch, HBASE-18294.01.patch, 
> HBASE-18294.01.patch, HBASE-18294.02.patch, HBASE-18294.03.patch, 
> HBASE-18294.04.patch, HBASE-18294.05.patch, HBASE-18294.06.patch, 
> HBASE-18294.07.patch, HBASE-18294.07.patch, HBASE-18294.08.patch, 
> HBASE-18294.09.patch, HBASE-18294.10.patch, HBASE-18294.11.patch, 
> HBASE-18294.11.patch, HBASE-18294.12.patch, HBASE-18294.13.patch, 
> HBASE-18294.15.patch, HBASE-18294.16.patch, HBASE-18294.master.01.patch, 
> HBASE-18294.master.01.patch
>
>
> A region is flushed if its memory component exceed a threshold (default size 
> is 128MB).
> A flush policy decides whether to flush a store by comparing the size of the 
> store to another threshold (that can be configured with 
> hbase.hregion.percolumnfamilyflush.size.lower.bound).
> Currently the implementation (in both cases) compares the data size 
> (key-value only) to the threshold where it should compare the heap size 
> (which includes index size, and metadata).



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