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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10320) Rack failures may result in NN terminate
Date Wed, 04 May 2016 19:42:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15271303#comment-15271303
] 

Hadoop QA commented on HDFS-10320:
----------------------------------

| (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 15s {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 1 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 39s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 53s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 33s {color} |
{color:green} trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 7m 8s {color} | {color:green}
trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 9s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 51s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 29s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 46s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 8s {color} | {color:green}
trunk passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 7s {color} | {color:green}
trunk passed with JDK v1.7.0_95 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 15s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 37s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 39s {color} |
{color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 39s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 44s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 44s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 6s {color}
| {color:green} root: patch generated 0 new + 229 unchanged - 5 fixed = 229 total (was 234)
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 47s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 28s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color}
| {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 2s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 57s {color} |
{color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 52s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 6m 33s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.8.0_91. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 58m 40s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 24s {color} | {color:green}
hadoop-common in the patch passed with JDK v1.7.0_95. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 54m 43s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 29s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 192m 40s {color} | {color:black}
{color} |
\\
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|| Reason || Tests ||
| JDK v1.8.0_91 Failed junit tests | hadoop.net.TestDNS |
|   | hadoop.hdfs.TestHFlush |
|   | hadoop.hdfs.server.datanode.TestDataNodeLifeline |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistReplicaRecovery |
| JDK v1.7.0_95 Failed junit tests | hadoop.hdfs.TestHFlush |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:cf2ee45 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12802225/HDFS-10320.05.patch
|
| JIRA Issue | HDFS-10320 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 1ea158177cf0 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 / 36972d6 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_91 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15360/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_91.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15360/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_91.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/15360/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HDFS-Build/15360/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_91.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/15360/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_91.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/15360/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/15360/testReport/
|
| modules | C:  hadoop-common-project/hadoop-common   hadoop-hdfs-project/hadoop-hdfs  U:
. |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/15360/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> Rack failures may result in NN terminate
> ----------------------------------------
>
>                 Key: HDFS-10320
>                 URL: https://issues.apache.org/jira/browse/HDFS-10320
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HDFS-10320.01.patch, HDFS-10320.02.patch, HDFS-10320.03.patch, HDFS-10320.04.patch,
HDFS-10320.05.patch, HDFS-10320.06.patch
>
>
> If there're rack failures which end up leaving only 1 rack available, {{BlockPlacementPolicyDefault#chooseRandom}}
may get {{InvalidTopologyException}} when calling {{NetworkTopology#chooseRandom}}, which
then throws all the way out to {{BlockManager}}'s {{ReplicationMonitor}} thread and terminate
the NN.
> Log:
> {noformat}
> 2016-02-24 09:22:01,514  WARN org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy:
Failed to place enough replicas, still in need of 1 to reach 3 (unavailableStorages=[], storagePolicy=BlockStoragePolicy{HOT:7,
storageTypes=[DISK], creationFallbacks=[], replicationFallbacks=[ARCHIVE]}, newBlock=true)
For more information, please enable DEBUG log level on org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy
> 2016-02-24 09:22:01,958  ERROR org.apache.hadoop.hdfs.server.blockmanagement.BlockManager:
ReplicationMonitor thread received Runtime exception. 
> org.apache.hadoop.net.NetworkTopology$InvalidTopologyException: Failed to find datanode
(scope="" excludedScope="/rack_a5").
> 	at org.apache.hadoop.net.NetworkTopology.chooseRandom(NetworkTopology.java:729)
> 	at org.apache.hadoop.net.NetworkTopology.chooseRandom(NetworkTopology.java:694)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseRandom(BlockPlacementPolicyDefault.java:635)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseRemoteRack(BlockPlacementPolicyDefault.java:580)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTarget(BlockPlacementPolicyDefault.java:348)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTarget(BlockPlacementPolicyDefault.java:214)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault.chooseTarget(BlockPlacementPolicyDefault.java:111)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationWork.chooseTargets(BlockManager.java:3746)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationWork.access$200(BlockManager.java:3711)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWorkForBlocks(BlockManager.java:1400)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeReplicationWork(BlockManager.java:1306)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.computeDatanodeWork(BlockManager.java:3682)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$ReplicationMonitor.run(BlockManager.java:3634)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}



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