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  1. Accumulo
  2. ACCUMULO-4458

lock contention around configuration settings impacts tablet server performance

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 1.7.1, 1.8.0
    • 1.7.3, 1.8.1, 2.0.0
    • tserver
    • None

    Description

      While investigating a pretty severe performance regression comparing YCSB against 1.6 and 1.7, I found a fair bit of lock contention around getting configuration values. This was improved by ACCUMULO-4388, but various threads eventually all started contending on the configuration values expected from the site xml files.

      Attachments

        1. ACCUMULO-4458-1.7.v1.patch
          9 kB
          Sean Busbey

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. ACCUMULO-4460 Remove backing Hadoop Configuration object from SiteConfiguration

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              busbey Sean Busbey
              busbey Sean Busbey
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                Resolved:

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