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  1. Hadoop HDFS
  2. HDFS-1052

HDFS scalability with multiple namenodes

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Details

    • New Feature
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 0.22.0
    • 0.23.0
    • namenode
    • None
    • Reviewed

    Description

      HDFS currently uses a single namenode that limits scalability of the cluster. This jira proposes an architecture to scale the nameservice horizontally using multiple namenodes.

      Attachments

        1. HDFS-1052.6.patch
          1.10 MB
          Suresh Srinivas
        2. HDFS-1052.5.patch
          1.09 MB
          Suresh Srinivas
        3. HDFS-1052.4.patch
          1.09 MB
          Suresh Srinivas
        4. HDFS-1052.3.patch
          1.09 MB
          Suresh Srinivas
        5. HDFS-1052.patch
          968 kB
          Suresh Srinivas
        6. high-level-design.pdf
          620 kB
          Suresh Srinivas
        7. Mulitple Namespaces5.pdf
          1.85 MB
          Sanjay Radia
        8. Block pool proposal.pdf
          410 kB
          Suresh Srinivas

        Issue Links

          incorporates

          Bug - A problem which impairs or prevents the functions of the product. HDFS-1419 Federation: Three test cases need minor modification after the new block id change

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

          New Feature - A new feature of the product, which has yet to be developed. HDFS-1400 HDFS federation: Introduce block pool ID into DataTransferProtocol

          • Major - Major loss of function.
          • Resolved
          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-1888 MiniDFSCluster#corruptBlockOnDatanodes() access must be public for MapReduce contrib raid

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MAPREDUCE-2467 HDFS-1052 changes break the raid contrib module in MapReduce

          • Major - Major loss of function.
          • Closed
          is part of

          New Feature - A new feature of the product, which has yet to be developed. HDFS-1051 Umbrella Jira for Scaling the HDFS Name Service

          • Major - Major loss of function.
          • Open
          is related to

          New Feature - A new feature of the product, which has yet to be developed. HADOOP-7257 A client side mount table to give per-application/per-job file system view

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-6795 docs update for -format command for namenode for Federation ( HDFS-1394 )

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              sureshms Suresh Srinivas
              sureshms Suresh Srinivas
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              Dates

                Created:
                Updated:
                Resolved: