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https://issues.apache.org/jira/browse/HDFS-16620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yongpan Liu updated HDFS-16620:
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Attachment: HDFS-16620-001.patch
Status: Patch Available (was: Open)
> Improve msync performance by a separate RPC server
> --------------------------------------------------
>
> Key: HDFS-16620
> URL: https://issues.apache.org/jira/browse/HDFS-16620
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Yongpan Liu
> Priority: Minor
> Attachments: HDFS-16620-001.patch
>
>
> ClientProtocol#msync is invoked frequently in clusters where the Observer is
> enabled. When NameNode is overwhelmed with load, the average response time of
> msync will increase, which can affect Observer Read efficiency. We can split
> out a separate RPC server just like HDFS-9311.
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