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  1. Apache Cassandra
  2. CASSANDRA-6726

Recycle CompressedRandomAccessReader/RandomAccessReader buffers independently of their owners, and move them off-heap when possible

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Details

    • Improvement
    • Status: Resolved
    • Low
    • Resolution: Won't Fix
    • 2.2.0 beta 1
    • None

    Description

      Whilst CRAR and RAR are pooled, we could and probably should pool the buffers independently, so that they are not tied to a specific sstable. It may be possible to move the RAR buffer off-heap, and the CRAR sometimes (e.g. Snappy may possibly support off-heap buffers)

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        is related to

        Improvement - An improvement or enhancement to an existing feature or task. CASSANDRA-7039 DirectByteBuffer compatible LZ4 methods

        • Low -
        • Resolved
        is superceded by

        Sub-task - The sub-task of the issue CASSANDRA-5863 In process (uncompressed) page cache

        • Normal -
        • Resolved

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            blambov Branimir Lambov Assign to me
            benedict Benedict Elliott Smith
            Branimir Lambov
            Benedict Elliott Smith
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