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https://issues.apache.org/jira/browse/KAFKA-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14933462#comment-14933462
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ASF GitHub Bot commented on KAFKA-2514:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/218
> change default JVM options in kafka-run-class.sh
> ------------------------------------------------
>
> Key: KAFKA-2514
> URL: https://issues.apache.org/jira/browse/KAFKA-2514
> Project: Kafka
> Issue Type: Improvement
> Components: config
> Reporter: Jun Rao
> Assignee: Manikumar Reddy
> Priority: Blocker
> Fix For: 0.9.0.0
>
>
> Since we have stopped supporting java 6, we should improve the default jvm
> options. For example, we should probably change the following to G1
> collectors.
> if [ -z "$KAFKA_JVM_PERFORMANCE_OPTS" ]; then
> KAFKA_JVM_PERFORMANCE_OPTS="-server -XX:+UseParNewGC
> -XX:+UseConcMarkSweepGC -XX:+CMSClassUnloadingEnabled
> -XX:+CMSScavengeBeforeRemark -XX:+DisableExplicitGC -Djava.awt.headless=true"
> fi
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