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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-3342) Hadoop: improve Java options documentation.
Date Mon, 20 Jun 2016 14:05:05 GMT
Vladimir Ozerov created IGNITE-3342:
---------------------------------------

             Summary: Hadoop: improve Java options documentation.
                 Key: IGNITE-3342
                 URL: https://issues.apache.org/jira/browse/IGNITE-3342
             Project: Ignite
          Issue Type: Improvement
          Components: documentation, hadoop
    Affects Versions: 1.6
            Reporter: Vladimir Ozerov
            Assignee: Vladimir Ozerov
            Priority: Critical
             Fix For: 1.7


1) Mentioned library path;
2) CMS garbage collector with class unloading options;
3) PermGetn/MetaSpace
4) Code cache

Examples:

*Java 8*
{{-J-XX:MaxMetaspaceSize=[VALUE] -J-XX:ReservedCodeCacheSize=768m -J-XX:+UseConcMarkSweepGC
-J-XX:+CMSClassUnloadingEnabled -J-XX:+CMSPermGenSweepingEnabled -J-Djava.library.path=/usr/iop/current/hadoop/lib/native/}}

*Java 7*
{{-J-XX:MaxPermSize=[VALUE] -J-XX:ReservedCodeCacheSize=768m -J-XX:+UseConcMarkSweepGC -J-XX:+CMSClassUnloadingEnabled
-J-XX:+CMSPermGenSweepingEnabled -J-Djava.library.path=/usr/iop/current/hadoop/lib/native/}}



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