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https://issues.apache.org/jira/browse/AMBARI-8989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14266049#comment-14266049
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Myroslav Papirkovskyy commented on AMBARI-8989:
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+1
> 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
>
> Attachments: AMBARI-8989.patch
>
>
> 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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