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  1. HBase
  2. HBASE-15555 Memory Management
  3. HBASE-15513

hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.0.0
    • 2.0.0
    • None
    • None
    • Incompatible change, Reviewed
    • MSLAB chunk pool is on by default in hbase-2.0.0.

    Description

      That results in excessive MemStoreLAB chunk allocations because we can not reuse them. Not sure, why it has been disabled, by default. May be the code has not been tested well?

      Attachments

        1. HBASE-15513-v1.patch
          0.9 kB
          Vladimir Rodionov
        2. HBASE-15513-addendum.patch
          0.9 kB
          Anoop Sam John

        Issue Links

          is part of

          Improvement - An improvement or enhancement to an existing feature or task. HBASE-15492 Memory usage optimizations

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

          Sub-task - The sub-task of the issue HBASE-14921 Inmemory Compaction Optimizations; Segment Structure

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

          Sub-task - The sub-task of the issue HBASE-15561 See how G1GC works with MSLAB and chunk pool

          • Major - Major loss of function.
          • Resolved

          Sub-task - The sub-task of the issue HBASE-16407 Handle MemstoreChunkPool size when HeapMemoryManager tunes memory

          • Major - Major loss of function.
          • Resolved

          Sub-task - The sub-task of the issue HBASE-14613 Remove MemStoreChunkPool?

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

          Improvement - An improvement or enhancement to an existing feature or task. HBASE-16401 Enable HeapMemoryManager by default in 2.0

          • Critical - Crashes, loss of data, severe memory leak.
          • Open

          Activity

            People

              vrodionov Vladimir Rodionov
              vrodionov Vladimir Rodionov
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              Dates

                Created:
                Updated:
                Resolved: