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https://issues.apache.org/jira/browse/KAFKA-5470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120770#comment-16120770
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ASF GitHub Bot commented on KAFKA-5470:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/3371
> Replace -XX:+DisableExplicitGC with -XX:+ExplicitGCInvokesConcurrent in
> kafka-run-class
> ---------------------------------------------------------------------------------------
>
> Key: KAFKA-5470
> URL: https://issues.apache.org/jira/browse/KAFKA-5470
> Project: Kafka
> Issue Type: Improvement
> Reporter: Ismael Juma
> Assignee: Ismael Juma
> Priority: Critical
> Fix For: 1.0.0
>
>
> This is important because Bits.reserveMemory calls System.gc() hoping to free
> native memory in order to avoid throwing an OutOfMemoryException. This call
> is currently a no-op due to -XX:+DisableExplicitGC.
> It's worth mentioning that -XX:MaxDirectMemorySize can be used to increase
> the amount of native memory available for allocation of direct byte buffers.
> Hongyuan Li pointed out the issue with the usage of -XX:+DisableExplicitGC
> in:
> https://issues.apache.org/jira/browse/KAFKA-5444?focusedCommentId=16054129&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16054129
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