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  1. HBase
  2. HBASE-11678

BucketCache ramCache fills heap after running a few hours

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 0.99.0, 0.98.5, 2.0.0
    • 0.99.0, 0.98.6
    • BlockCache
    • None
    • Reviewed

    Description

      Testing BucketCache, my heap filled after running for hours. Dumping heap, culprit is the ramCache Map in BucketCache. Tried running with more writer threads but made no difference. Trying to figure now how our accounting is going wonky.

      Attachments

        1. 0001-When-we-failed-add-an-entry-failing-with-a-CacheFull.patch
          16 kB
          Michael Stack
        2. 11678v2.txt
          30 kB
          Michael Stack
        3. 11678v2.txt
          30 kB
          Michael Stack
        4. 11678v3.098.txt
          38 kB
          Michael Stack
        5. 11678v3.txt
          35 kB
          Michael Stack
        6. 11678v3.txt
          35 kB
          Michael Stack
        7. gc_crash_unevenblocks_with_lots_of_evictions.png
          19 kB
          Michael Stack
        8. gc_over_12_hours_unevenblocks_with_lots_of_evictions.png
          26 kB
          Michael Stack

        Issue Links

          is related to

          Test - A new unit, integration or system test. HBASE-12055 TestBucketWriterThread hangs flakily based on timing

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

          Sub-task - The sub-task of the issue HBASE-11323 BucketCache all the time!

          • Major - Major loss of function.
          • Closed

          Activity

            People

              stack Michael Stack
              stack Michael Stack
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              Dates

                Created:
                Updated:
                Resolved: