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From "Kai Sasaki (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8287) DFSStripedOutputStream.writeChunk should not wait for writing parity
Date Tue, 11 Aug 2015 06:33:46 GMT

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

Kai Sasaki updated HDFS-8287:
-----------------------------
    Attachment: HDFS-8287-HDFS-7285.01.patch

> 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
>         Attachments: HDFS-8287-HDFS-7285.00.patch, HDFS-8287-HDFS-7285.01.patch
>
>
> 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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