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https://issues.apache.org/jira/browse/HDFS-8397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546379#comment-14546379
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Haohui Mai commented on HDFS-8397:
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+1
> Refactor the error handling code in DataStreamer
> ------------------------------------------------
>
> Key: HDFS-8397
> URL: https://issues.apache.org/jira/browse/HDFS-8397
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Priority: Minor
> Attachments: HDFS-8397.002.patch, h8397_20150513.patch,
> h8397_20150514.patch
>
>
> DataStreamer handles (1) bad datanode, (2) restarting datanode and (3)
> datanode replacement and keeps various state and indexes. This issue is to
> clean up the code.
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