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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8024) Erasure Coding: ECworker frame, basics, bootstraping and configuration
Date Thu, 23 Apr 2015 05:00:42 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14508463#comment-14508463

Uma Maheswara Rao G commented on HDFS-8024:

{quote}I just submitted an addendum. Will merge it to the main HDFS-8024 commit in next weekly
Thanks Zhe.

I will start working on HDFS-8014 soon. Based on discussion with Nicholas and Yi, my current
plan is to expose DFSInputStream#actualGetFromOneDataNode and call it from processErasureCodingTasks.
Then I guess HDFS-7348 can add the logic of decoding obtained data and build recovered blocks.
Let me know if the plan sounds good to you.
This plan sounds good to me. Go ahead. :-)

> Erasure Coding: ECworker frame, basics, bootstraping and configuration
> ----------------------------------------------------------------------
>                 Key: HDFS-8024
>                 URL: https://issues.apache.org/jira/browse/HDFS-8024
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Kai Zheng
>            Assignee: Uma Maheswara Rao G
>             Fix For: HDFS-7285
>         Attachments: HDFS-8024-0.patch, HDFS-8024-1.patch
> This is to come up ECWorker itself, considering its basic setup, configuration and bootstrapping,
which will be used to frame all the related work together, like BlockGroup, coding work, block
reader, writer and etc.

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