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From "dragon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10166) CLONE - ErasureCodingWorker#processErasureCodingTasks should not fail to process remaining tasks due to one invalid ECTask
Date Tue, 15 Mar 2016 08:17:36 GMT
dragon created HDFS-10166:
-----------------------------

             Summary: CLONE - ErasureCodingWorker#processErasureCodingTasks should not fail
to process remaining tasks due to one invalid ECTask
                 Key: HDFS-10166
                 URL: https://issues.apache.org/jira/browse/HDFS-10166
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode
    Affects Versions: HDFS-7285
            Reporter: dragon
            Assignee: Uma Maheswara Rao G
            Priority: Minor
             Fix For: HDFS-7285


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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