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https://issues.apache.org/jira/browse/HDFS-4971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13775568#comment-13775568
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Jing Zhao commented on HDFS-4971:
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Thanks again Brandon! I will commit the patch soon.
> Move IO operations out of locking in OpenFileCtx
> ------------------------------------------------
>
> Key: HDFS-4971
> URL: https://issues.apache.org/jira/browse/HDFS-4971
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: nfs
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-4971.000.patch, HDFS-4971.001.patch,
> HDFS-4971.002.patch, HDFS-4971.003.patch, HDFS-4971.004.patch,
> HDFS-4971.005.patch, HDFS-4971.006.patch, HDFS-4971.007.patch
>
>
> Currently some IO operations (such as writing data to HDFS and dumping to
> local disk) in OpenFileCtx may hold a lock which can block processing
> incoming writing requests. This jira aims to optimize OpenFileCtx and move
> the IO operations out of the locking.
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