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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11411) Avoid OutOfMemoryError in TestMaintenanceState test runs
Date Wed, 22 Feb 2017 17:49:44 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ming Ma updated HDFS-11411:
---------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha3
                   2.9.0
           Status: Resolved  (was: Patch Available)

+1. Thanks [~manojg] for the contribution. Committed to trunk and branch-2.

> 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
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         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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