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  1. Apache Cassandra
  2. CASSANDRA-975

explore upgrading CLHM

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Details

    • Task
    • Status: Resolved
    • Low
    • Resolution: Fixed
    • 0.7.0 rc 1
    • None
    • None

    Description

      The new version should be substantially better "on large caches where many entries were readon large caches where many entries were read," which is exactly what you see in our row and key caches.

      http://code.google.com/p/concurrentlinkedhashmap/issues/detail?id=9

      Hopefully we can get Digg to help test, since they could reliably break CLHM when it was buggy.

      Attachments

        1. 0001-trunk-975.patch
          14 kB
          Matthew F. Dennis
        2. clhm_test_results.txt
          8 kB
          Matthew F. Dennis
        3. insertarator.py
          2 kB
          Matthew F. Dennis
        4. readarator.py
          2 kB
          Matthew F. Dennis

        Activity

          People

            mdennis Matthew F. Dennis
            jbellis Jonathan Ellis
            Matthew F. Dennis
            Jonathan Ellis
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            Dates

              Created:
              Updated:
              Resolved: