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  1. Cassandra
  2. CASSANDRA-5361

Enable ThreadLocal allocation in the JVM

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Details

    • Improvement
    • Status: Resolved
    • Normal
    • Resolution: Fixed
    • 1.1.11, 1.2.4
    • None
    • JDK 6

    Description

      Adding -XX:+UseTLAB to cassandra-env.sh yields a ~15% read performance boost.

      Works with usual stress tool but also in our production.

      It enables thread local allocation of new objects which makes sense for SEDA based systems.

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            tjake T Jake Luciani
            tjake T Jake Luciani
            T Jake Luciani
            Ryan McGuire Ryan McGuire
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              Created:
              Updated:
              Resolved: