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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-17767) hbase CMS gc pause program
Date Fri, 10 Mar 2017 07:04:04 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Duo Zhang resolved HBASE-17767.
-------------------------------
    Resolution: Invalid

> hbase CMS  gc  pause program
> ----------------------------
>
>                 Key: HBASE-17767
>                 URL: https://issues.apache.org/jira/browse/HBASE-17767
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.1.2
>            Reporter: gehaijiang
>
> cms gc pause serious program:
> 2017-03-10T10:15:29.524+0800: 4555920.160: [GC2017-03-10T10:15:29.524+0800: 4555920.160:
[ParNew: 3067133K->340736K(3067136K), 2.0586980 secs] 80328431K->78058138K(100322560K),
2.0590280 secs] [Times: user=3.94 sys=0.34, real=2.05 secs]
> 2017-03-10T10:15:32.911+0800: 4555923.547: [CMS-concurrent-sweep: 1441.773/1618.869 secs]
[Times: user=2518.60 sys=59.25, real=1618.62 secs]
> 2017-03-10T10:15:32.911+0800: 4555923.547: [CMS-concurrent-reset-start]
> 2017-03-10T10:15:33.126+0800: 4555923.762: [CMS-concurrent-reset: 0.215/0.215 secs] [Times:
user=1.23 sys=0.08, real=0.22 secs]
> 2017-03-10T10:15:33.236+0800: 4555923.873: [GC2017-03-10T10:15:33.237+0800: 4555923.873:
[ParNew: 3067011K->340736K(3067136K), 2.4140270 secs] 80615855K->78315999K(100322560K),
2.4144230 secs] [Times: user=4.63 sys=0.36, real=2.41 secs]
> 2017-03-10T10:15:35.655+0800: 4555926.292: [GC [1 CMS-initial-mark: 77975263K(97255424K)]
78316286K(100322560K), 0.0149650 secs] [Times: user=0.01 sys=0.00, real=0.01 secs]
> 2017-03-10T10:15:35.671+0800: 4555926.307: [CMS-concurrent-mark-start]
> 2017-03-10T10:15:36.098+0800: 4555926.734: [CMS-concurrent-mark: 0.427/0.427 secs] [Times:
user=5.72 sys=0.05, real=0.43 secs]
> 2017-03-10T10:15:36.098+0800: 4555926.734: [CMS-concurrent-preclean-start]
> 2017-03-10T10:15:36.291+0800: 4555926.928: [CMS-concurrent-preclean: 0.192/0.193 secs]
[Times: user=0.80 sys=0.03, real=0.19 secs]
> 2017-03-10T10:15:36.291+0800: 4555926.928: [CMS-concurrent-abortable-preclean-start]
> 2017-03-10T10:15:37.378+0800: 4555928.014: [GC2017-03-10T10:15:37.378+0800: 4555928.014:
[ParNew: 3067083K->340736K(3067136K), 2.6221190 secs] 81042347K->78771078K(100322560K),
2.6224970 secs] [Times: user=4.79 sys=0.48, real=2.62 secs]
> 2017-03-10T10:15:41.012+0800: 4555931.648: [CMS-concurrent-abortable-preclean: 2.083/4.721
secs] [Times: user=13.51 sys=0.87, real=4.72 secs]
> 2017-03-10T10:15:41.015+0800: 4555931.652: [GC[YG occupancy: 2011637 K (3067136 K)]2017-03-10T10:15:41.016+0800:
4555931.652: [GC2017-03-10T10:15:41.016+0800: 4555931.652: [ParNew: 2011637K->340736K(3067136K),
2.0773980 secs] 80441979K->79117650K(100322560K), 2.0777380 secs] [Times: user=4.09 sys=0.38,
real=2.07 secs]
> regionserver  JVM config:
> export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -XX:PermSize=256m -XX:MaxPermSize=256m
-Xms96G -Xmx96G"
> export HBASE_OPTS="$HBASE_OPTS -Djava.net.preferIPv4Stack=true
> -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=60 -XX:+CMSParallelRemarkEnabled
-XX:+CMSConcurrentMTEnabled
> -XX:ParallelGCThreads=40 -XX:+DisableExplicitGC -XX:+PrintGCDetails -XX:+PrintGCDateStamps
-verbose:gc
> -XX:+UseCMSCompactAtFullCollection -XX:CMSFullGCsBeforeCompaction=1 -XX:+CMSScavengeBeforeRemark
-XX:+HeapDumpOnOutOfMemoryError



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