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Posted to hdfs-dev@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2012/04/24 23:54:06 UTC

[jira] [Created] (HDFS-3318) Hftp hangs on transfers >2GB

Daryn Sharp created HDFS-3318:
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             Summary: Hftp hangs on transfers >2GB
                 Key: HDFS-3318
                 URL: https://issues.apache.org/jira/browse/HDFS-3318
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs client
    Affects Versions: 0.24.0, 0.23.3, 2.0.0
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp
            Priority: Blocker


Hftp transfers >2GB hang after the transfer is complete.  The problem appears to be caused by java internally using an int for the content length.  When it overflows 2GB, it won't check the bounds of the reads on the input stream.  The client continues reading after all data is received, and the client blocks until the server times out the connection -- _many_ minutes later.  In conjunction with hftp timeouts, all transfers >2G fail with a read timeout.

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