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https://issues.apache.org/jira/browse/HBASE-18255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16122726#comment-16122726
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Hudson commented on HBASE-18255:
--------------------------------

SUCCESS: Integrated in Jenkins build HBase-1.3-IT #164 (See 
[https://builds.apache.org/job/HBase-1.3-IT/164/])
HBASE-18479 should apply HBASE-18255 to HBASE_MASTER_OPTS too (tedyu: rev 
d87b63e7319303a01d2a71fc022e69c434163cce)
* (edit) conf/hbase-env.cmd
* (edit) conf/hbase-env.sh


> Time-Delayed HBase Performance Degradation with Java 7
> ------------------------------------------------------
>
>                 Key: HBASE-18255
>                 URL: https://issues.apache.org/jira/browse/HBASE-18255
>             Project: HBase
>          Issue Type: Bug
>          Components: Performance
>    Affects Versions: 1.3.1, 1.2.6, 1.1.11
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>            Priority: Critical
>              Labels: jdk7
>             Fix For: 1.4.0, 1.3.2, 1.2.7, 1.1.12
>
>         Attachments: HBASE-18255-branch-1.x.v1.patch
>
>
> The good summary of the issue and provided resolution can be found in this 
> article:
> https://community.hortonworks.com/articles/105802/time-delayed-hbase-performance-degradation-with-ja.html
> In a few words, due to internal JVM 7 bug (which has been addressed only in 
> Java 8), HotSpot code cache can become full and after that ALL JIT 
> compilations get suspended indefinitely.  The default value for code cache 
> size in JVM 7 is quite low: 48MB. It is recommended to increase this value at 
> least to 256MB (default in JVM 8).
> This BUG affects only 1.x 



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