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Posted to hdfs-issues@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2015/06/29 03:13:04 UTC

[jira] [Assigned] (HDFS-8287) DFSStripedOutputStream.writeChunk should not wait for writing parity

     [ https://issues.apache.org/jira/browse/HDFS-8287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo Nicholas Sze reassigned HDFS-8287:
-----------------------------------------

    Assignee: Kai Sasaki  (was: Tsz Wo Nicholas Sze)

Since [~libo-intel] is not responding, assigning to you [~kaisasak].  Thanks.

> DFSStripedOutputStream.writeChunk should not wait for writing parity 
> ---------------------------------------------------------------------
>
>                 Key: HDFS-8287
>                 URL: https://issues.apache.org/jira/browse/HDFS-8287
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Kai Sasaki
>
> When a stripping cell is full, writeChunk computes and generates parity packets.  It sequentially calls waitAndQueuePacket so that user client cannot continue to write data until it finishes.
> We should allow user client to continue writing instead but not blocking it when writing parity.



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