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  1. HBase
  2. HBASE-15240

Go Big BucketCache Fixes

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    Details

    • Type: Umbrella
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: BucketCache
    • Labels:
      None

      Description

      Umbrella issue to which we will attach issues that prevent bucketcache going big; there's a few.

        Attachments

          Issue Links

          1.
          HFileReaderV2 prefetch overreaches; runs off the end of the data Sub-task Resolved Michael Stack
          2.
          Blockcache hits hbase.ui.blockcache.by.file.max limit and is silent that it will load no more blocks Sub-task Resolved Unassigned
          3.
          BLOCKSIZE 4k should result in 4096 bytes on disk; i.e. fit inside a BucketCache 'block' of 4k Sub-task Open Unassigned
          4.
          Allow more than one backing file in bucketcache Sub-task Resolved Chunhui Shen
          5.
          Remove unnecessary or Document constraints on BucketCache possible bucket sizes Sub-task Resolved Unassigned
          6.
          Add doc, trace-level logging, and test around hfileblock Sub-task Resolved Michael Stack
          7.
          PREFETCH_BLOCKS_ON_OPEN in HColumnDescriptor is ignored Sub-task Resolved Michael Stack
          8.
          Single Cell Get reads two HFileBlocks Sub-task Resolved Michael Stack
          9.
          TestHFileBackedByBucketCache is flakey since it went in Sub-task Resolved Michael Stack
          10.
          Convert TestStoreScanner to junit4 from junit3 and clean up close of scanners Sub-task Resolved Michael Stack
          11.
          Do not save 'next block header' when we cache hfileblocks Sub-task Resolved Michael Stack
          12.
          L1 cache doesn't give fair warning that it is showing partial stats only when it hits limit Sub-task Resolved Michael Stack
          13.
          Port HBASE-10205 (ConcurrentModificationException in BucketAllocator) to branch-1 Sub-task Resolved Stephen Yuan Jiang
          14.
          Backport "HBASE-15477 Do not save 'next block header' when we cache hfileblocks" Sub-task Resolved Michael Stack
          15.
          BucketCache startup is slow Sub-task Resolved ramkrishna.s.vasudevan
          16.
          BucketCache is inefficient/wasteful/dumb in its bucket allocations Sub-task Open Unassigned
          17.
          Reduce the heap overhead for BucketCache Sub-task Resolved Anoop Sam John
          18.
          Investigate why bucket cache filling up in file mode in an exisiting file is slower Sub-task Resolved ramkrishna.s.vasudevan
          19.
          BucketCache reduce heap overhead : Investigate removal of NavigableSet 'blocksByHFile' Sub-task Open Anoop Sam John

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              People

              • Assignee:
                stack Michael Stack
                Reporter:
                stack Michael Stack
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                Dates

                • Created:
                  Updated: