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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8430) Erasure coding: compute file checksum for striped files (stripe by stripe)
Date Sat, 14 May 2016 12:42:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15283544#comment-15283544
] 

Kai Zheng commented on HDFS-8430:
---------------------------------

Thanks [~umamaheswararao]. Yes it would be great to have this in a rc release, as well as
some others. I will schedule this accordingly.

> Erasure coding: compute file checksum for striped files (stripe by stripe)
> --------------------------------------------------------------------------
>
>                 Key: HDFS-8430
>                 URL: https://issues.apache.org/jira/browse/HDFS-8430
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: Walter Su
>            Assignee: Kai Zheng
>              Labels: hdfs-ec-3.0-must-do
>         Attachments: HDFS-8430-poc1.patch
>
>
> HADOOP-3981 introduces a  distributed file checksum algorithm. It's designed for replicated
block.
> {{DFSClient.getFileChecksum()}} need some updates, so it can work for striped block group.



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