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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9646) ErasureCodingWorker may fail when recovering data blocks with length less than the first internal block
Date Wed, 13 Jan 2016 22:44:39 GMT
Jing Zhao created HDFS-9646:
-------------------------------

             Summary: ErasureCodingWorker may fail when recovering data blocks with length
less than the first internal block
                 Key: HDFS-9646
                 URL: https://issues.apache.org/jira/browse/HDFS-9646
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: erasure-coding
    Affects Versions: 3.0.0
            Reporter: Takuya Fukudome
            Assignee: Jing Zhao
            Priority: Critical


This is reported by [~tfukudom]: ErasureCodingWorker may fail with the following exception
when recovering a non-full internal block.

{code}
2016-01-06 11:14:44,740 WARN  datanode.DataNode (ErasureCodingWorker.java:run(467)) - Failed
to recover striped block: BP-987302662-172.29.4.13-1450757377698:blk_-92233720368
54322288_29751
java.io.IOException: Transfer failed for all targets.
        at org.apache.hadoop.hdfs.server.datanode.erasurecode.ErasureCodingWorker$ReconstructAndTransferBlock.run(ErasureCodingWorker.java:455)
{code}



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