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https://issues.apache.org/jira/browse/HDFS-6633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated HDFS-6633:
-----------------------------------
    Labels: BB2015-05-TBR  (was: )

> 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
>              Labels: BB2015-05-TBR
>         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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