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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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Tsz Wo Nicholas Sze updated HDFS-6633:
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Status: Patch Available (was: Open)
> 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: Tsz Wo Nicholas Sze
> Attachments: h6633_20140707.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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