[jira] [Created] (ROCKETMQ-161) Update runbroker.sh and runserver.sh to support user defined jvm memory flag

["dongeforever (JIRA)" <ji...@apache.org>]

dongeforever created ROCKETMQ-161:
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             Summary: 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 $JVM_MEM_OPS ]; then
    JVM_MEM_OPS =  "-Xms8g -Xmx8g -Xmn4g"
fi 
JAVA_OPT="${JAVA_OPT} -server $JVM_MEM_OPS"







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