[jira] [Commented] (HDFS-9390) Block management for maintenance states
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https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15584047#comment-15584047
]
Hadoop QA commented on HDFS-9390:
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0s{color} | {color:green} The patch appears to include 7 new or modified test
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46s{color} | {color:green} branch-2 passed {color} |
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49s{color} | {color:green} branch-2 passed with JDK v1.8.0_101 {color} |
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42s{color} | {color:green} branch-2 passed {color} |
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0m 40s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 4 new + 1050 unchanged - 21 fixed = 1054 total (was 1071) {color} |
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| {color:black}{color} | {color:black} {color} | {color:black}132m 6s{color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:b59b8b7 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12833661/HDFS-9390-branch-2.002.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux b5e02a11eca3 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28
20:42:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personali
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[ https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15584023#comment-15584023 ] Hudson commented on HDFS-9390: -- SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10628 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10628/]) HDFS-9390. Block management for maintenance states. (mingma: rev b61fb267b92b2736920b4bd0c673d31e7632ebb9) * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/ErasureCodingWork.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMaintenanceState.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/StorageTypeStats.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeDescriptor.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/LowRedundancyBlocks.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/HeartbeatManager.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDecommission.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/CacheReplicationMonitor.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestBlockManager.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/NumberReplicas.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/util/HostsFileWriter.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/AdminStatesBaseTest.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNamenodeCapacityReport.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DecommissionManager.java * (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml > Block management for maintenance states > --- > > Key: HDFS-9390 > URL: https://issues.apache.org/jira/browse/HDFS-9390 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Ming Ma >Assignee: Ming Ma > Fix For: 2.9.0, 3.0.0-alpha2 > > Attachments: HDFS-9390-2.patch, HDFS-9390-3.patch, HDFS-9390-4.patch, > HDFS-9390-5.patch, HDFS-9390-branch-2.002.patch, HDFS-9390-branch-2.patch, > HDFS-9390.patch > > > When a node is transitioned to/stay in/transitioned out of maintenance state, > we need to make sure blocks w.r.t. that nodes are properly handled. > * When nodes are put into maintenance, it will first go to > ENTERING_MAINTENANCE, and make sure blocks are minimally replicated before > the nodes are transitioned to IN_MAINTENANCE. > * Do not replica blocks when nodes are in maintenance states. Maintenance > replica will remain in BlockMaps and thus is still considered valid from > block replication point of view. In other words, putting a node to > “maintenance” mode won’t trigger BlockManager to replicate its blocks. > * Do not invalidate replicas on node under maintenance. After any file's > replication factor is reduced, NN needs to invalidate some replicas. It > should exclude nodes under maintenance in the handling. > * Do not put IN_MAINTENANCE replicas in LocatedBlock for read operation. > * Do not allocate any new block on nodes under maintenance. > * Have Balancer exclude nodes under maintenance. > * Exclude nodes under maintenance for DN cache. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15580913#comment-15580913
]
Hadoop QA commented on HDFS-9390:
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| {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 7 new or modified test
files. {color} |
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red} 0m
44s{color} | {color:red} root in branch-2 failed. {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
37s{color} | {color:green} branch-2 passed with JDK v1.8.0_101 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
41s{color} | {color:green} branch-2 passed with JDK v1.7.0_111 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
36s{color} | {color:green} branch-2 passed {color} |
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33s{color} | {color:green} branch-2 passed with JDK v1.7.0_111 {color} |
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43s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
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36s{color} | {color:green} the patch passed with JDK v1.8.0_101 {color} |
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| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 38s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 4 new + 1051 unchanged - 21 fixed = 1055 total (was 1072) {color} |
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58s{color} | {color:green} hadoop-hdfs in the patch passed with JDK v1.7.0_111.
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| {color:black}{color} | {color:black} {color} | {color:black}138m 37s{color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:b59b8b7 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12833661/HDFS-9390-branch-2.002.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux 6b46ecb0f87e 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29
20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/pe
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15580625#comment-15580625
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 7s{color}
| {color:red} HDFS-9390 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12833649/HDFS-9390-2-branch-2.patch
|
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/17176/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Block management for maintenance states
> ---
>
> Key: HDFS-9390
> URL: https://issues.apache.org/jira/browse/HDFS-9390
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Ming Ma
>Assignee: Ming Ma
> Attachments: HDFS-9390-2-branch-2.patch, HDFS-9390-2.patch,
> HDFS-9390-3.patch, HDFS-9390-4.patch, HDFS-9390-5.patch,
> HDFS-9390-branch-2.patch, HDFS-9390.patch
>
>
> When a node is transitioned to/stay in/transitioned out of maintenance state,
> we need to make sure blocks w.r.t. that nodes are properly handled.
> * When nodes are put into maintenance, it will first go to
> ENTERING_MAINTENANCE, and make sure blocks are minimally replicated before
> the nodes are transitioned to IN_MAINTENANCE.
> * Do not replica blocks when nodes are in maintenance states. Maintenance
> replica will remain in BlockMaps and thus is still considered valid from
> block replication point of view. In other words, putting a node to
> “maintenance” mode won’t trigger BlockManager to replicate its blocks.
> * Do not invalidate replicas on node under maintenance. After any file's
> replication factor is reduced, NN needs to invalidate some replicas. It
> should exclude nodes under maintenance in the handling.
> * Do not put IN_MAINTENANCE replicas in LocatedBlock for read operation.
> * Do not allocate any new block on nodes under maintenance.
> * Have Balancer exclude nodes under maintenance.
> * Exclude nodes under maintenance for DN cache.
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[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15580410#comment-15580410
]
Hadoop QA commented on HDFS-9390:
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| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
21s{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
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0m 38s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
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24s{color} | {color:green} hadoop-hdfs in the patch passed with JDK v1.7.0_111.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
22s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}143m 48s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_101 Failed junit tests |
hadoop.hdfs.server.namenode.TestNamenodeCapacityReport |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:b59b8b7 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12833645/HDFS-9390-branch-2.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux 7531c9a4e757 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29
20:15:20 UTC
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15579345#comment-15579345
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
20s{color} | {color:blue} Docker mode activated. {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 7 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
44s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
40s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
38s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
35s{color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: The patch generated
0 new + 1062 unchanged - 16 fixed = 1062 total (was 1078) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
9s{color} | {color:green} the patch passed {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} xml {color} | {color:green} 0m
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
39s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 76m 26s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 95m 27s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA |
| | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12833631/HDFS-9390-5.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux 0be78b44f76d 3.13.0-96-generic #143-Ubuntu SMP Mon Aug 29
20:15:20 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 1f304b0 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/17174/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/17174/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/17174/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Block management for maintenance states
> ---
>
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15579027#comment-15579027
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 5s{color}
| {color:red} HDFS-9390 does not apply to trunk. Rebase required? Wrong Branch?
See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
\\
\\
|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12833626/HDFS-9390-5.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/17173/console |
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This message was automatically generated.
> Block management for maintenance states
> ---
>
> Key: HDFS-9390
> URL: https://issues.apache.org/jira/browse/HDFS-9390
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Ming Ma
>Assignee: Ming Ma
> Attachments: HDFS-9390-2.patch, HDFS-9390-3.patch, HDFS-9390-4.patch,
> HDFS-9390-5.patch, HDFS-9390.patch
>
>
> When a node is transitioned to/stay in/transitioned out of maintenance state,
> we need to make sure blocks w.r.t. that nodes are properly handled.
> * When nodes are put into maintenance, it will first go to
> ENTERING_MAINTENANCE, and make sure blocks are minimally replicated before
> the nodes are transitioned to IN_MAINTENANCE.
> * Do not replica blocks when nodes are in maintenance states. Maintenance
> replica will remain in BlockMaps and thus is still considered valid from
> block replication point of view. In other words, putting a node to
> “maintenance” mode won’t trigger BlockManager to replicate its blocks.
> * Do not invalidate replicas on node under maintenance. After any file's
> replication factor is reduced, NN needs to invalidate some replicas. It
> should exclude nodes under maintenance in the handling.
> * Do not put IN_MAINTENANCE replicas in LocatedBlock for read operation.
> * Do not allocate any new block on nodes under maintenance.
> * Have Balancer exclude nodes under maintenance.
> * Exclude nodes under maintenance for DN cache.
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[jira] [Commented] (HDFS-9390) Block management for maintenance states
[ https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15576198#comment-15576198 ] Lei (Eddy) Xu commented on HDFS-9390: - Hi, [~mingma] The latest patch needs to rebase to trunk. But the code LGTM. +1 pending the rebase. Thanks for the great effort! > Block management for maintenance states > --- > > Key: HDFS-9390 > URL: https://issues.apache.org/jira/browse/HDFS-9390 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Ming Ma >Assignee: Ming Ma > Attachments: HDFS-9390-2.patch, HDFS-9390-3.patch, HDFS-9390-4.patch, > HDFS-9390.patch > > > When a node is transitioned to/stay in/transitioned out of maintenance state, > we need to make sure blocks w.r.t. that nodes are properly handled. > * When nodes are put into maintenance, it will first go to > ENTERING_MAINTENANCE, and make sure blocks are minimally replicated before > the nodes are transitioned to IN_MAINTENANCE. > * Do not replica blocks when nodes are in maintenance states. Maintenance > replica will remain in BlockMaps and thus is still considered valid from > block replication point of view. In other words, putting a node to > “maintenance” mode won’t trigger BlockManager to replicate its blocks. > * Do not invalidate replicas on node under maintenance. After any file's > replication factor is reduced, NN needs to invalidate some replicas. It > should exclude nodes under maintenance in the handling. > * Do not put IN_MAINTENANCE replicas in LocatedBlock for read operation. > * Do not allocate any new block on nodes under maintenance. > * Have Balancer exclude nodes under maintenance. > * Exclude nodes under maintenance for DN cache. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15534504#comment-15534504
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
17s{color} | {color:blue} Docker mode activated. {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 7 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
49s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
40s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
51s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
37s{color} | {color:green} hadoop-hdfs-project/hadoop-hdfs: The patch generated
0 new + 1067 unchanged - 15 fixed = 1067 total (was 1082) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
10s{color} | {color:green} the patch passed {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} xml {color} | {color:green} 0m
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
56s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 62m 11s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
23s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 83m 42s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests |
hadoop.hdfs.server.namenode.TestNameNodeMetadataConsistency |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12831013/HDFS-9390-4.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux f3510b670b7a 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 10be459 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/16935/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/16935/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16935/console |
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> Block management for maintenance states
> ---
>
> Key: HDFS-9390
> U
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15534052#comment-15534052
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
12s{color} | {color:blue} Docker mode activated. {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
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files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
48s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
43s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
54s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
0s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
44s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 36s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 5 new + 1067 unchanged - 15 fixed = 1072 total (was 1082) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
10s{color} | {color:green} the patch passed {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} xml {color} | {color:green} 0m
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
56s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
0s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 76m 44s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 97m 33s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12830933/HDFS-9390-3.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux fd4a48e3650c 3.13.0-95-generic #142-Ubuntu SMP Fri Aug 12
17:00:09 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 236ac77 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/16930/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/16930/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/16930/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
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[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15531219#comment-15531219
]
Lei (Eddy) Xu commented on HDFS-9390:
-
Hi, [~mingma] Thanks so much for posting this patch.
It looks good to me overall. Some small nits:
In {{HeartbeatManager.java#heartbeatCheck()}}:
{code}
try {
dm.removeDeadDatanode(dead, !dead.isMaintenance());
}
{code}
If we change it to the following code, we can undo most of the
{{DatanodeManager.java}} changes, of which the motivation of these changes are
not clear to me in the first sight.
{code}
if (!dead.isMaintenance()) {
dm.removeDeadDatanode(dead);
}
{code}
Can you elaborate a little bit more about the following code?
{code}
} else if (blockManager.getMinReplicationToBeInMaintenance() == 0) {
LOG.info("MinReplicationToBeInMaintenance is set to zero. " + node +
" is put in maintenance state" + " immediately.");
node.setInMaintenance();
} else {
stats.subtract(node);
node.startMaintenance();
stats.add(node);
}
{code}
Why it does not re-calculate {{stats}} when {{minReplicationToBeInMaintanence
== 0}}?
In {{DecommissionManager#startmaintance()}}
{code}
// hbManager.startDecommission will set dead node to decommissioned.
{code}
Is the comment correct in the context?
One related question is that, why {{startMaintenance()}} and
{{stopMaintenance()}} are in {{DecommissionManager}}.
In {{NumberReplicas.java}}, you might want consider rename {{int
maintenance()}} to {{int maintenanceReplicas}}, so is
{{liveEnteringMaintence()}}.
Thanks.
> Block management for maintenance states
> ---
>
> Key: HDFS-9390
> URL: https://issues.apache.org/jira/browse/HDFS-9390
> Project: Hadoop HDFS
> Issue Type: Sub-task
>Reporter: Ming Ma
>Assignee: Ming Ma
> Attachments: HDFS-9390-2.patch, HDFS-9390.patch
>
>
> When a node is transitioned to/stay in/transitioned out of maintenance state,
> we need to make sure blocks w.r.t. that nodes are properly handled.
> * When nodes are put into maintenance, it will first go to
> ENTERING_MAINTENANCE, and make sure blocks are minimally replicated before
> the nodes are transitioned to IN_MAINTENANCE.
> * Do not replica blocks when nodes are in maintenance states. Maintenance
> replica will remain in BlockMaps and thus is still considered valid from
> block replication point of view. In other words, putting a node to
> “maintenance” mode won’t trigger BlockManager to replicate its blocks.
> * Do not invalidate replicas on node under maintenance. After any file's
> replication factor is reduced, NN needs to invalidate some replicas. It
> should exclude nodes under maintenance in the handling.
> * Do not put IN_MAINTENANCE replicas in LocatedBlock for read operation.
> * Do not allocate any new block on nodes under maintenance.
> * Have Balancer exclude nodes under maintenance.
> * Exclude nodes under maintenance for DN cache.
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[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15524221#comment-15524221
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
19s{color} | {color:blue} Docker mode activated. {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 6 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
22s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
53s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
41s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
1s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
52s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
52s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 37s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 1 new + 1057 unchanged - 9 fixed = 1058 total (was 1066) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s{color} | {color:green} the patch passed {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} xml {color} | {color:green} 0m
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 66m 7s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
19s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 88m 44s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests |
hadoop.hdfs.server.namenode.web.resources.TestWebHdfsDataLocality |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12830375/HDFS-9390-2.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux e1b11e4d348c 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18
21:21:05 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 4815d02 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/16866/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/16866/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/16866/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16866/console |
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This message was automatically ge
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[
https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15518114#comment-15518114
]
Hadoop QA commented on HDFS-9390:
-
| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
16s{color} | {color:blue} Docker mode activated. {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 6 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
15s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
52s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
14s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
53s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
50s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 40s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 18 new + 1059 unchanged - 7 fixed = 1077 total (was 1066) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
0s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s{color} | {color:green} the patch passed {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} xml {color} | {color:green} 0m
2s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
3s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
0s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 59m 5s{color}
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
18s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 81m 36s{color} |
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestMaintenanceState |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:9560f25 |
| JIRA Issue | HDFS-9390 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12830131/HDFS-9390.patch |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle xml |
| uname | Linux cd79f38546fb 3.13.0-93-generic #140-Ubuntu SMP Mon Jul 18
21:21:05 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 6eb700e |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/16851/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/16851/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/16851/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16851/console |
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> Block management for
[jira] [Commented] (HDFS-9390) Block management for maintenance states
[ https://issues.apache.org/jira/browse/HDFS-9390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15511451#comment-15511451 ] Lei (Eddy) Xu commented on HDFS-9390: - Ping [~mingma] Is there any update on this issue? > Block management for maintenance states > --- > > Key: HDFS-9390 > URL: https://issues.apache.org/jira/browse/HDFS-9390 > Project: Hadoop HDFS > Issue Type: Sub-task >Reporter: Ming Ma > > When a node is transitioned to/stay in/transitioned out of maintenance state, > we need to make sure blocks w.r.t. that nodes are properly handled. > * When nodes are put into maintenance, it will first go to > ENTERING_MAINTENANCE, and make sure blocks are minimally replicated before > the nodes are transitioned to IN_MAINTENANCE. > * Do not replica blocks when nodes are in maintenance states. Maintenance > replica will remain in BlockMaps and thus is still considered valid from > block replication point of view. In other words, putting a node to > “maintenance” mode won’t trigger BlockManager to replicate its blocks. > * Do not invalidate replicas on node under maintenance. After any file's > replication factor is reduced, NN needs to invalidate some replicas. It > should exclude nodes under maintenance in the handling. > * Do not put IN_MAINTENANCE replicas in LocatedBlock for read operation. > * Do not allocate any new block on nodes under maintenance. > * Have Balancer exclude nodes under maintenance. > * Exclude nodes under maintenance for DN cache. -- This message was sent by Atlassian JIRA (v6.3.4#6332) - To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org
