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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

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              Dates

                Created:
                Updated:
                Resolved: