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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7837) Erasure Coding: allocate and persist striped blocks in NameNode
Date Mon, 09 Mar 2015 18:04:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14353297#comment-14353297
] 

Jing Zhao commented on HDFS-7837:
---------------------------------

Sure. Let me try to resolve the conflicts in the 7285 branch first. To push some of the refactoring
to trunk is also a good idea, but let me give a try first.

> Erasure Coding: allocate and persist striped blocks in NameNode
> ---------------------------------------------------------------
>
>                 Key: HDFS-7837
>                 URL: https://issues.apache.org/jira/browse/HDFS-7837
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-7837.000.patch, HDFS-7837.001.patch
>
>
> Try to finish the remaining work from HDFS-7339 (except the ClientProtocol/DFSClient
part):
> # Allow FSNamesystem#getAdditionalBlock to create striped blocks and persist striped
blocks to editlog
> # Update FSImage for max allocated striped block ID
> # Update the block commit/complete logic in BlockManager



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