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Posted to hdfs-dev@hadoop.apache.org by "Zesheng Wu (JIRA)" <ji...@apache.org> on 2013/06/19 03:30:20 UTC

[jira] [Created] (HDFS-4916) DataTransfer may mask the IOException during block transfering

Zesheng Wu created HDFS-4916:
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             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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