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