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Posted to commits@cassandra.apache.org by "Jonathan Shook (JIRA)" <ji...@apache.org> on 2015/09/30 20:31:04 UTC

[jira] [Created] (CASSANDRA-10425) Autoselect GC settings depending on system memory

Jonathan Shook created CASSANDRA-10425:
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             Summary: Autoselect GC settings depending on system memory
                 Key: CASSANDRA-10425
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10425
             Project: Cassandra
          Issue Type: Bug
          Components: Config, Core
            Reporter: Jonathan Shook


1) Make GC modular within cassandra-env
2) For systems with 32GB or less of ram, use the classic CMS with the established default settings.
3) For systems with 48GB or more of ram, use 1/2 or up to 32GB of heap with G1, whichever is lower.




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