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  1. Hadoop HDFS
  2. HDFS-14703

NameNode Fine-Grained Locking via Metadata Partitioning

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    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: hdfs, namenode
    • Labels:
      None

      Description

      We target to enable fine-grained locking by splitting the in-memory namespace into multiple partitions each having a separate lock. Intended to improve performance of NameNode write operations.

        Attachments

        1. NameNode Fine-Grained Locking.pdf
          128 kB
          Konstantin Shvachko
        2. NameNode Fine-Grained Locking.pdf
          173 kB
          Konstantin Shvachko
        3. 001-partitioned-inodeMap-POC.tar.gz
          15 kB
          Konstantin Shvachko

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              shv Konstantin Shvachko
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              Dates

              • Created:
                Updated: