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From "Zesheng Wu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4916) DataTransfer may mask the IOException during block transfering
Date Wed, 19 Jun 2013 01:30:20 GMT
Zesheng Wu created HDFS-4916:

             Summary: DataTransfer may mask the IOException during block transfering
                 Key: HDFS-4916
                 URL: https://issues.apache.org/jira/browse/HDFS-4916
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode
    Affects Versions: 2.0.4-alpha
            Reporter: Zesheng Wu
            Priority: Blocker

When a new datanode is added to the pipeline, the client will trigger the block transfer process.
In the current implementation, the src datanode calls the run() method of the DataTransfer
to transfer the block, this method will mask the IOExceptions during the transfering, and
will make the client not realize the failure during the transfering.

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