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https://issues.apache.org/jira/browse/ZOOKEEPER-4797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Frederiko Costa updated ZOOKEEPER-4797:
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Summary: Allow for -XX:MaxRAMPercentage JVM setting (was: Allow for
-XX:MaxRamPercentage JVM setting)
> Allow for -XX:MaxRAMPercentage JVM setting
> ------------------------------------------
>
> Key: ZOOKEEPER-4797
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4797
> Project: ZooKeeper
> Issue Type: Improvement
> Components: scripts
> Reporter: Frederiko Costa
> Priority: Major
>
> When running Zk in a containerized environment, it's sometimes desirable to
> express your heap size in terms of percentage of available memory allocated
> to a container.
> As it stands, zkEnv.sh forces your to have -Xmx, which defaults to 1GB. Some
> environments wanted to set it to more, mostly related to the amount of Ram.
> This is a request to implement the option of using -XX:MaxRamPercentage
> option when starting zookeeper.
> Suggested implementation is to also make a variable
> ZK_SERVER_MAXRAMPERCENTAGE available to be added to SERVER_JVMFLAGS. If the
> variable is set, ZK_HEAP_SERVER is ignored, if no ZK_SERVER_MAXRAMPERCENTAGE,
> ZK_SERVER_HEAP is set as usual.
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