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https://issues.apache.org/jira/browse/HDFS-6633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14260933#comment-14260933
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Vinayakumar B commented on HDFS-6633:
-------------------------------------
Tests {{TestDatanodeManager}} and {{TestLeaseRecovery2}} seems unrelated to my
patch as patch works only when the new client API is used.
{{TestReadWhileWriting}} passed locally for me without timeout.
Triggered the jenkins again to confirm.
> Support reading new data in a being written file until the file is closed
> -------------------------------------------------------------------------
>
> Key: HDFS-6633
> URL: https://issues.apache.org/jira/browse/HDFS-6633
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: hdfs-client
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Vinayakumar B
> Attachments: HDFS-6633-001.patch, HDFS-6633-002.patch,
> HDFS-6633-003.patch, h6633_20140707.patch, h6633_20140708.patch
>
>
> When a file is being written, the file length keeps increasing. If the file
> is opened for read, the reader first gets the file length and then read only
> up to that length. The reader will not be able to read the new data written
> afterward.
> We propose adding a new feature so that readers will be able to read all the
> data until the writer closes the file.
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