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  1. HBase
  2. HBASE-21879 Read HFile's block to ByteBuffer directly instead of to byte for reducing young gc purpose
  3. HBASE-22387

Evaluate the get/scan performance after reading HFile block into offheap directly

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • None
    • None
    • None

    Description

      Now, all sub-tasks has been resolved now (except the HBASE-21946 because of the hadoop dependency problem), will provide some performance benckmarks to show the latency improvement.

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        is related to

        Sub-task - The sub-task of the issue HBASE-22504 Optimize the MultiByteBuff#get(ByteBuffer, offset, len)

        • Major - Major loss of function.
        • Closed

        Bug - A problem which impairs or prevents the functions of the product. HDFS-14535 The default 8KB buffer in requestFileDescriptors#BufferedOutputStream is causing lots of heap allocation in HBase when using short-circut read

        • Major - Major loss of function.
        • Resolved

        Bug - A problem which impairs or prevents the functions of the product. HDFS-14541 When evictableMmapped or evictable size is zero, do not throw NoSuchElementException

        • Major - Major loss of function.
        • Resolved

        Bug - A problem which impairs or prevents the functions of the product. HBASE-22425 Balance shell command broken in HBase-3.0.0

        • Blocker - Blocks development and/or testing work, production could not run
        • Closed
        relates to

        Bug - A problem which impairs or prevents the functions of the product. HBASE-14532 [book] dfs.client.read.shortcircuit is referenced as hbase-site.xml config and not described in section 7

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

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            openinx Zheng Hu Assign to me
            openinx Zheng Hu
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              Created:
              Updated:
              Resolved:

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