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Josh Elser commented on HBASE-18255: ------------------------------------ +1 from me -- should prevent this from being a problem on Java7 and doesn't change semantics of Java8 Thanks for putting the patch together, Vlad! > 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 > Affects Versions: 1.3.1, 1.2.6, 1.1.11 > Reporter: Vladimir Rodionov > Assignee: Vladimir Rodionov > Fix For: 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 -- This message was sent by Atlassian JIRA (v6.4.14#64029)