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https://issues.apache.org/jira/browse/HDFS-11411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15877346#comment-15877346
 ] 

Hadoop QA commented on HDFS-11411:
----------------------------------

| (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 
45s{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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 14m 
35s{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 
35s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
55s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
15s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
46s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
58s{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:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
48s{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} findbugs {color} | {color:green}  1m 
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
36s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}122m 36s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
38s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}150m 58s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hdfs.server.datanode.TestDataNodeMultipleRegistrations |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.TestRollingUpgrade |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.server.blockmanagement.TestReplicationPolicy |
| Timed out junit tests | org.apache.hadoop.hdfs.TestLeaseRecovery2 |
|   | org.apache.hadoop.hdfs.server.blockmanagement.TestBlockStatsMXBean |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:a9ad5d6 |
| JIRA Issue | HDFS-11411 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12853822/HDFS-11411.02.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux f8693243a8a2 3.13.0-107-generic #154-Ubuntu SMP Tue Dec 20 
09:57:27 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 003ae00 |
| Default Java | 1.8.0_121 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/18413/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/18413/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/18413/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Avoid OutOfMemoryError in TestMaintenanceState test runs
> --------------------------------------------------------
>
>                 Key: HDFS-11411
>                 URL: https://issues.apache.org/jira/browse/HDFS-11411
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Manoj Govindassamy
>            Assignee: Manoj Govindassamy
>         Attachments: HDFS-11411.01.patch, HDFS-11411.02.patch
>
>
> TestMainteananceState test runs are seeing OutOfMemoryError issues quite 
> frequently now. Need to fix tests that are consuming lots of memory/threads. 
> {noformat}
> -------------------------------------------------------
>  T E S T S
> -------------------------------------------------------
> Running org.apache.hadoop.hdfs.TestMaintenanceState
> Tests run: 21, Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 219.479 sec 
> <<< FAILURE! - in org.apache.hadoop.hdfs.Te
> testTransitionFromDecommissioned(org.apache.hadoop.hdfs.TestMaintenanceState) 
>  Time elapsed: 0.64 sec  <<< ERROR!
> java.lang.OutOfMemoryError: unable to create new native thread
> testTakeDeadNodeOutOfMaintenance(org.apache.hadoop.hdfs.TestMaintenanceState) 
>  Time elapsed: 0.031 sec  <<< ERROR!
> java.lang.OutOfMemoryError: unable to create new native thread
> testWithNNAndDNRestart(org.apache.hadoop.hdfs.TestMaintenanceState)  Time 
> elapsed: 0.03 sec  <<< ERROR!
> java.lang.OutOfMemoryError: unable to create new native thread
> testMultipleNodesMaintenance(org.apache.hadoop.hdfs.TestMaintenanceState)  
> Time elapsed: 60.127 sec  <<< ERROR!
> java.io.IOException: Problem starting http server
> Results :
> Tests in error: 
>   
> TestMaintenanceState.testTransitionFromDecommissioned:225->AdminStatesBaseTest.startCluster:413->AdminStatesBaseTest.s
>   
> TestMaintenanceState.testTakeDeadNodeOutOfMaintenance:636->AdminStatesBaseTest.startCluster:413->AdminStatesBaseTest.s
>   
> TestMaintenanceState.testWithNNAndDNRestart:692->AdminStatesBaseTest.startCluster:413->AdminStatesBaseTest.startCluste
>   
> TestMaintenanceState.testMultipleNodesMaintenance:532->AdminStatesBaseTest.startCluster:413->AdminStatesBaseTest.start
> {noformat}



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