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From "Dmitry Lysnichenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-8989) Configs: HBase heap sizes should not be set to 1GB
Date Mon, 05 Jan 2015 15:56:34 GMT
Dmitry Lysnichenko created AMBARI-8989:
------------------------------------------

             Summary: Configs: HBase heap sizes should not be set to 1GB
                 Key: AMBARI-8989
                 URL: https://issues.apache.org/jira/browse/AMBARI-8989
             Project: Ambari
          Issue Type: Improvement
          Components: ambari-server
    Affects Versions: 2.0.0
            Reporter: Dmitry Lysnichenko
            Assignee: Dmitry Lysnichenko
             Fix For: 2.0.0


Ambari installs are still hard coding heap sizes to 1GB. We have seen many tickets filed whose
resolution was to increase regionserver sizes to 4GB. I think these should be adjusted.

Here is what I got from the Ambari install:

{code}
export HBASE_OPTS="$HBASE_OPTS -XX:+UseConcMarkSweepGC -XX:ErrorFile=/var/log/hbase/hs_err_pid%p.log"
export HBASE_MASTER_OPTS="$HBASE_MASTER_OPTS -Xmx1024m"
export HBASE_REGIONSERVER_OPTS="$HBASE_REGIONSERVER_OPTS -Xmn200m -XX:CMSInitiatingOccupancyFraction=70
 -Xms1024m -Xmx1024m"
{code}



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