Hadoop Common
  1. Hadoop Common
  2. HADOOP-6307

Support reading on un-closed SequenceFile

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.21.0
    • Component/s: io
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      When a SequenceFile.Reader is constructed, it calls fs.getFileStatus(file).getLen(). However, fs.getFileStatus(file).getLen() does not return the hflushed length for un-closed file since the Namenode does not know the hflushed length. DFSClient have to ask a datanode for the length last block which is being written; see also HDFS-570.

      1. c6307_20091201.patch
        7 kB
        Tsz Wo Nicholas Sze
      2. c6307_20091130.patch
        6 kB
        Tsz Wo Nicholas Sze
      3. c6307_20091124.patch
        0.8 kB
        Tsz Wo Nicholas Sze

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            • Assignee:
              Tsz Wo Nicholas Sze
              Reporter:
              Tsz Wo Nicholas Sze
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              Dates

              • Created:
                Updated:
                Resolved:

                Development