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https://issues.apache.org/jira/browse/HBASE-13065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14330108#comment-14330108
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zhangduo commented on HBASE-13065:
----------------------------------
Run 'java -version' on my machine
{noformat}
zhangduo@ubuntu:~/hbase/code$ java -version
java version "1.7.0_55"
Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.55-b03, mixed mode)
{noformat}
In
https://builds.apache.org/view/H-L/view/HBase/job/HBase-TRUNK/6155/consoleFull
{noformat}
+ which java
/home/jenkins/tools/java/latest1.7/bin/java
+ java -version
java version "1.7.0_25"
Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
Java HotSpot(TM) Server VM (build 23.25-b01, mixed mode)
{noformat}
Seems we use a 32bit jvm?
H3 is amd64
https://builds.apache.org/computer/H3/systemInfo
> 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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