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https://issues.apache.org/jira/browse/HDFS-7578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HDFS-7578:
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Description:
Write and Commit responses directly write data to the channel instead of
propagating it to the next immediate handler in the channel pipeline.
Not following Netty channel pipeline model could be problematic. We don't know
whether it could cause any resource leak or performance issue especially the
internal pipeline implementation keeps changing with newer Netty releases.
was:Write and Commit responses directly write data to the channel instead of
pushing it to the channel pipeline. This could block the NFS handler thread
waiting for the response to be flushed to the network before it can return to
serve a different request.
> NFS WRITE and COMMIT responses should always use the channel pipeline
> ---------------------------------------------------------------------
>
> Key: HDFS-7578
> URL: https://issues.apache.org/jira/browse/HDFS-7578
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: nfs
> Affects Versions: 2.7.0
> Reporter: Brandon Li
> Assignee: Brandon Li
> Attachments: HDFS-7578.001.patch, HDFS-7578.002.patch
>
>
> Write and Commit responses directly write data to the channel instead of
> propagating it to the next immediate handler in the channel pipeline.
> Not following Netty channel pipeline model could be problematic. We don't
> know whether it could cause any resource leak or performance issue especially
> the internal pipeline implementation keeps changing with newer Netty releases.
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