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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9870) Add JvmPauseMonitor threads to HMS and HS2 daemons
Date Thu, 05 Mar 2015 16:54:38 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9870?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14349075#comment-14349075
] 

Hive QA commented on HIVE-9870:
-------------------------------



{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12702825/HIVE-9870.patch

{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 7599 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_udaf_percentile_approx_23
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2957/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2957/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-2957/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 1 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12702825 - PreCommit-HIVE-TRUNK-Build

> Add JvmPauseMonitor threads to HMS and HS2 daemons
> --------------------------------------------------
>
>                 Key: HIVE-9870
>                 URL: https://issues.apache.org/jira/browse/HIVE-9870
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2, Metastore
>    Affects Versions: 1.1
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Minor
>         Attachments: HIVE-9870.patch
>
>
> The hadoop-common carries in it a nifty thread that prints GC or non-GC pauses within
the JVM if it exceeds a specific threshold.
> This has been immeasurably useful in supporting several clusters, in identifying GC or
other form of process pauses to be the root cause of some event being investigated.
> The HMS and HS2 daemons are good targets for running similar threads within it. It can
be loaded in an if-available style.



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