[jira] [Commented] (HDFS-7854) Separate class DataStreamer out of DFSOutputStream

[Zhe Zhang (JIRA)]

    [ 
https://issues.apache.org/jira/browse/HDFS-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14369781#comment-14369781
 ] 

Zhe Zhang commented on HDFS-7854:
---------------------------------

{{TestBalancer}} passes locally. {{TestTracing#testWriteTraceHooks}} looks like 
a real failure. 

We should also update the following section in 
hadoop-hdfs-project/hadoop-hdfs/dev-support/findbugsExcludeFile.xml
{code}
      <Match>
        <Class 
name="org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer$ResponseProcessor" />
        <Method name="run" />
        <Bug pattern="REC_CATCH_EXCEPTION" />
      </Match>
{code}

> Separate class DataStreamer out of DFSOutputStream
> --------------------------------------------------
>
>                 Key: HDFS-7854
>                 URL: https://issues.apache.org/jira/browse/HDFS-7854
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Li Bo
>            Assignee: Li Bo
>         Attachments: HDFS-7854-001.patch, HDFS-7854-002.patch, 
> HDFS-7854-003.patch, HDFS-7854-004-duplicate.patch, 
> HDFS-7854-004-duplicate2.patch, HDFS-7854-004-duplicate3.patch, 
> HDFS-7854-004.patch, HDFS-7854-005.patch
>
>
> This sub task separate DataStreamer from DFSOutputStream. New DataStreamer 
> will accept packets and write them to remote datanodes.



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