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

     [ https://issues.apache.org/jira/browse/CASSANDRA-15884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Capwell updated CASSANDRA-15884:
--------------------------------------
    Change Category: Performance
         Complexity: Low Hanging Fruit
             Status: Open  (was: Triage Needed)

> 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
>            Priority: Normal
>
> 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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