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Posted to commits@cassandra.apache.org by "David Capwell (Jira)" <ji...@apache.org> on 2020/06/19 00:45:00 UTC

[jira] [Created] (CASSANDRA-15884) Add a startup check to detect if LZ4 uses java rather than native implementation

David Capwell created CASSANDRA-15884:
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             Summary: Add a startup check to detect if LZ4 uses java rather than native implementation
                 Key: CASSANDRA-15884
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15884
             Project: Cassandra
          Issue Type: Improvement
          Components: Dependencies
            Reporter: David Capwell
            Assignee: David Capwell


In some environments the native implementation can’t link with glibc and silently falls back to java; this hurts performance.  To help warn the operators, we should add a startup check to detect this.



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