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  1. Accumulo
  2. ACCUMULO-1905

WALog is slow

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 1.5.0
    • 1.6.0
    • tserver
    • None

    • hadoop 2.2.0, accumulo 1.6.0, hash 45fbee6937549048c74fe176f201c246de0f5e0a

    Description

      I thought that the continuous ingest test was going slower than it used to. I was getting about 20K k-v/sec on my desktop.

      After turning off the WALog, ingest shot up to 200K k-v/sec. I expected some improvement, but not an order of magnitude.

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          is related to

          Improvement - An improvement or enhancement to an existing feature or task. ACCUMULO-1946 Include dfs.datanode.synconclose in hdfs configuration documentation

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

          Improvement - An improvement or enhancement to an existing feature or task. ACCUMULO-1950 Reduce the number of calls to hsync

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              kturner Keith Turner
              ecn Eric C. Newton
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              Dates

                Created:
                Updated:
                Resolved: