Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 0.20.1
    • Fix Version/s: 0.21.0
    • Component/s: distcp
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Currently distcp does a checksums check in addition to file length check to decide if a remote file has to be copied. If the number of files is high (thousands), this checksum check is proving to be fairly costly leading to a long time before the copy is started.

      1. mapred-1231.patch
        2 kB
        Jothi Padmanabhan
      2. mapred-1231-v1.patch
        5 kB
        Jothi Padmanabhan
      3. mapred-1231-v2.patch
        7 kB
        Jothi Padmanabhan
      4. mapred-1231-v3.patch
        8 kB
        Jothi Padmanabhan
      5. mapred-1231-v3.patch
        8 kB
        Jothi Padmanabhan
      6. mapred-1231-y20.patch
        4 kB
        Jothi Padmanabhan
      7. mapred-1231-y20-v2.patch
        7 kB
        Jothi Padmanabhan
      8. mapred-1231-y20-v3.patch
        8 kB
        Jothi Padmanabhan
      9. mapred-1231-y20-v4.patch
        8 kB
        Jothi Padmanabhan

        Activity

        Jothi Padmanabhan created issue -
        Jothi Padmanabhan made changes -
        Field Original Value New Value
        Attachment mapred-1231.patch [ 12425817 ]
        Jothi Padmanabhan made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Jothi Padmanabhan made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-y20.patch [ 12426085 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-v1.patch [ 12426086 ]
        Jothi Padmanabhan made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Jothi Padmanabhan made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-y20-v2.patch [ 12426110 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-v2.patch [ 12426111 ]
        Jothi Padmanabhan made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Tsz Wo Nicholas Sze made changes -
        Issue Type Bug [ 1 ] Improvement [ 4 ]
        Fix Version/s 0.20.2 [ 12314205 ]
        Arun C Murthy made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-v3.patch [ 12426182 ]
        Jothi Padmanabhan made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Tsz Wo Nicholas Sze made changes -
        Hadoop Flags [Reviewed]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-y20-v3.patch [ 12426189 ]
        Giridharan Kesavan made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Giridharan Kesavan made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-v3.patch [ 12426190 ]
        Jothi Padmanabhan made changes -
        Status Patch Available [ 10002 ] Open [ 1 ]
        Jothi Padmanabhan made changes -
        Status Open [ 1 ] Patch Available [ 10002 ]
        Jothi Padmanabhan made changes -
        Attachment mapred-1231-y20-v4.patch [ 12426265 ]
        Tsz Wo Nicholas Sze made changes -
        Status Patch Available [ 10002 ] Resolved [ 5 ]
        Fix Version/s 0.22.0 [ 12314184 ]
        Resolution Fixed [ 1 ]
        Tom White made changes -
        Fix Version/s 0.21.0 [ 12314045 ]
        Fix Version/s 0.22.0 [ 12314184 ]
        Tom White made changes -
        Status Resolved [ 5 ] Closed [ 6 ]

          People

          • Assignee:
            Jothi Padmanabhan
            Reporter:
            Jothi Padmanabhan
          • Votes:
            0 Vote for this issue
            Watchers:
            8 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development