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  1. Hadoop Common
  2. HADOOP-5015

Separate block/replica management code from FSNamesystem

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.21.0
    • None
    • None
    • Reviewed

    Description

      Currently FSNamesystem contains a big amount of code that manages blocks and replicas. The code scatters in FSNamesystem and it is hard to read and maintain. It would be nice to move the code to a separate class called, for example, BlockManager.

      Attachments

        1. blkmanager.patch
          136 kB
          Suresh Srinivas
        2. blkmanager.patch
          135 kB
          Suresh Srinivas

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-5782 Make formatting of BlockManager.java similar to FSNamesystem.java to simplify porting patch

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          incorporates

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-275 FSNamesystem should have an InvalidateBlockMap class to manage blocks scheduled to remove

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. HADOOP-5574 Separate replication setting out from FSNamesystem

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          is part of

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-333 A State Machine for name-node blocks.

          • Major - Major loss of function.
          • Open

          Activity

            People

              sureshms Suresh Srinivas
              hairong Hairong Kuang
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              Dates

                Created:
                Updated:
                Resolved: