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https://issues.apache.org/jira/browse/ZOOKEEPER-1670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606829#comment-13606829
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Enis Soztutar commented on ZOOKEEPER-1670:
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The patch looks good, but I am wondering whether it makes sense to add a
default conf/zookeeper-env.sh, and add the default there. bin/zkEnv.sh roughly
corresponds to bin/hadoop-config.sh, and conf/zookeeper-env.sh roughly
corresponds to conf/hadoop-env.sh from my understanding.
> zookeeper should set a default value for SERVER_JVMFLAGS so that memory usage
> is controlled
> -------------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-1670
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1670
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.4.5
> Reporter: Arpit Gupta
> Assignee: Arpit Gupta
> Fix For: 3.4.6
>
> Attachments: ZOOKEEPER-1670.patch
>
>
> We noticed this with jdk 1.6 where if no heap size is set the process takes
> up to 1/4 of mem available on the machine.
> More info
> http://stackoverflow.com/questions/3428251/is-there-a-default-xmx-setting-for-java-1-5
> You can run the following command to see what are the defaults for your
> machine
> {code}
> java -XX:+PrintFlagsFinal -version 2>&1 | grep -i -E
> 'heapsize|permsize|version'
> {code}
> And we noticed on two different class of machines that this was 1/4th of
> total memory on the machine.
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