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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-9113) ErasureCodingWorker#processErasureCodingTasks should not fail to process remaining tasks due to one invalid ECTask
Date Sun, 20 Sep 2015 04:28:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uma Maheswara Rao G resolved HDFS-9113.
---------------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7285
     Release Note: Thanks Yi for the review. I have just committed this to branch.

> ErasureCodingWorker#processErasureCodingTasks should not fail to process remaining tasks
due to one invalid ECTask
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9113
>                 URL: https://issues.apache.org/jira/browse/HDFS-9113
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: HDFS-7285
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>            Priority: Minor
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-9113-HDFS-7285-00.patch
>
>
> Currently processErasureCodingTasks method submits ecTasks to thread pool service for
processing the tasks. While submitting we initialize ReconstructAndTransferBlock with each
ecTask and submit it. There are chances ReconstructAndTransferBlock initialization can fail
due to wrong values as we had preconditions for parameter validations in Ctor. Anyway, whatever
may be the case, processErasureCodingTasks should not fail and throw exceptions out as it
could prevent processing other tasks in the list. 



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