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Date: Tue, 24 Feb 2015 08:25:12 +0000 (UTC)
From: "zhangduo (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Commented] (HBASE-13065) Increasing -Xmx when running
 TestDistributedLogSplitting
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    [ https://issues.apache.org/jira/browse/HBASE-13065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14334584#comment-14334584 ] 

zhangduo commented on HBASE-13065:
----------------------------------

{quote}
I compared precommit and trunk configs. precommit was jdk7u51. trunk was 'latest jdk7'. I set it to 'jdk7u51'.
{quote}
This seems work.
https://builds.apache.org/job/HBase-TRUNK/6163/
Back to normal :)
Found this in console output, so we use 64bit jvm now.
{noformat}
+ which java
/home/jenkins/jenkins-slave/tools/hudson.model.JDK/jdk-1.7u51/bin/java
+ java -version
java version "1.7.0_51"
Java(TM) SE Runtime Environment (build 1.7.0_51-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.51-b03, mixed mode)
{noformat}

BTW, do we still need to care about running HBase on 32bit jvm?

> Increasing -Xmx when running TestDistributedLogSplitting
> --------------------------------------------------------
>
>                 Key: HBASE-13065
>                 URL: https://issues.apache.org/jira/browse/HBASE-13065
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: zhangduo
>            Assignee: zhangduo
>             Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
>         Attachments: 13065-fix.txt
>
>
> Found this in PreCommit Build reports
> https://builds.apache.org/job/PreCommit-HBASE-Build/12885/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.master.TestDistributedLogSplitting-output.txt
> {noformat}
> 2015-02-18 03:45:42,141 WARN  [RS:4;asf901:41265] util.Sleeper(97): We slept 59018ms instead of 1000ms, this is likely due to a long garbage collecting pause and it's usually bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexpired
> 2015-02-18 03:45:26,750 WARN  [JvmPauseMonitor] util.JvmPauseMonitor$Monitor(167): Detected pause in JVM or host machine (eg GC): pause of approximately 39767ms
> GC pool 'PS MarkSweep' had collection(s): count=65 time=47720ms
> {noformat}
> Maybe we should increase the max heap size since this test starts 6 regionservers.


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