Hadoop Common
  1. Hadoop Common
  2. HADOOP-2656

Support for upgrading existing cluster to facilitate appends to HDFS files

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.18.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Incompatible change, Reviewed
    • Release Note:
      Associated a generation stamp with each block. On data nodes, the generation stamp is stored as part of the file name of the block's meta-data file.

      Description

      HADOOP-1700 describes the design for supporting appends to HDFS files. This design requires a distributed-upgrade to existing cluster installations. The design specifies that the DataNode persist the 8-byte BlockGenerationStamp in the block metadata file. The upgrade code will introduce this new field in the block metadata file and initialize this value to 0.

      1. upgradeGenStamp.patch
        44 kB
        dhruba borthakur
      2. upgradeGenStamp10.patch
        108 kB
        dhruba borthakur
      3. upgradeGenStamp11.patch
        108 kB
        dhruba borthakur
      4. upgradeGenStamp12.patch
        107 kB
        dhruba borthakur
      5. upgradeGenStamp4.patch
        98 kB
        dhruba borthakur
      6. upgradeGenStamp5.patch
        109 kB
        dhruba borthakur
      7. upgradeGenStamp6.patch
        109 kB
        dhruba borthakur
      8. upgradeGenStamp7.patch
        110 kB
        dhruba borthakur
      9. upgradeGenStamp8.patch
        110 kB
        dhruba borthakur
      10. upgradeGenStamp9.patch
        111 kB
        dhruba borthakur
      11. upgradeGenStamp9.patch
        110 kB
        dhruba borthakur

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            • Assignee:
              dhruba borthakur
              Reporter:
              dhruba borthakur
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              Dates

              • Created:
                Updated:
                Resolved:

                Development