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  1. HBase
  2. HBASE-4027 Enable direct byte buffers LruBlockCache
  3. HBASE-4278

Race condition in Slab.java that occurs due to spinlock unlocking early

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.92.0
    • None
    • None

    Description

      Just a race condition in 4027. Occurs due to a spinlock that happens if the slab allocator is empty. When the slab allocator gets gets a slice of memory returned, if multiple threads are locked, both can be freed at the same time, leading one to throw an exception.

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        1. 4278.diff
          10 kB
          Li Pi
        2. 4278.diff
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              Updated:
              Resolved:

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