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https://issues.apache.org/jira/browse/HDFS-6867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129374#comment-14129374
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Colin Patrick McCabe commented on HDFS-6867:
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No, unfortunately it tests ALL files, regardless of how silly :)
No harm done, though.
The new design doc looks good. I think having recovery done by the streamer
thread will prove to be easier and more maintainable in the future, so good
choice there.
> For DFSOutputStream, do pipeline recovery for a single block in the background
> ------------------------------------------------------------------------------
>
> Key: HDFS-6867
> URL: https://issues.apache.org/jira/browse/HDFS-6867
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Reporter: Colin Patrick McCabe
> Assignee: Zhe Zhang
> Attachments: HDFS-6867-20140827-2.patch, HDFS-6867-20140827-3.patch,
> HDFS-6867-20140827.patch, HDFS-6867-20140828-1.patch,
> HDFS-6867-20140828-2.patch, HDFS-6867-design-20140820.pdf,
> HDFS-6867-design-20140821.pdf, HDFS-6867-design-20140822.pdf,
> HDFS-6867-design-20140827.pdf, HDFS-6867-design-20140910.pdf
>
>
> For DFSOutputStream, we should be able to do pipeline recovery in the
> background, while the user is continuing to write to the file. This is
> especially useful for long-lived clients that write to an HDFS file slowly.
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