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https://issues.apache.org/jira/browse/HDFS-5137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13775825#comment-13775825
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Jing Zhao commented on HDFS-5137:
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Currently the commit request will block the processing thread. In general we
should convert it to a non-blocking implementation. Maybe we can do it later in
a separate jira.
> Improve WriteManager for processing stable write requests and commit requests
> -----------------------------------------------------------------------------
>
> Key: HDFS-5137
> URL: https://issues.apache.org/jira/browse/HDFS-5137
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: nfs
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Priority: Minor
> Attachments: HDFS-5137.001.patch, HDFS-5137.patch
>
>
> WriteManager#handleCommit needs to block until all the data before the
> commitOffset has been received. This jira plans to improve the current
> concurrency implementation for this blocking call.
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