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https://issues.apache.org/jira/browse/ROCKETMQ-161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15967191#comment-15967191
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ASF GitHub Bot commented on ROCKETMQ-161:
-----------------------------------------
Github user vesense commented on the issue:
https://github.com/apache/incubator-rocketmq/pull/87
LGTM +1
> Update runbroker.sh and runserver.sh to support user defined jvm memory flag
> ----------------------------------------------------------------------------
>
> Key: ROCKETMQ-161
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-161
> Project: Apache RocketMQ
> Issue Type: Improvement
> Reporter: dongeforever
> Assignee: dongeforever
>
> JVM mem flag is hard coded in runbroker.sh as follows:
> JAVA_OPT="${JAVA_OPT} -server -Xms8g -Xmx8g -Xmn4g"
> If one want to change such flag, he has to change the script, this is not
> friendly, especially in docker environment.
> Instead, it is able to use an environment variable to handle user defined
> flag, like:
> if [ -z $BROKER_MEM_OPS ]; then
> BROKER_MEM_OPS = "-Xms8g -Xmx8g -Xmn4g"
> fi
> JAVA_OPT="${JAVA_OPT} -server $BROKER_MEM_OPS"
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