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Posted to dev@hbase.apache.org by "Nick Dimiduk (Jira)" <ji...@apache.org> on 2020/04/08 18:37:00 UTC

[jira] [Created] (HBASE-24143) [JDK11] Switch default garbage collector from CMS

Nick Dimiduk created HBASE-24143:
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             Summary: [JDK11] Switch default garbage collector from CMS
                 Key: HBASE-24143
                 URL: https://issues.apache.org/jira/browse/HBASE-24143
             Project: HBase
          Issue Type: Sub-task
          Components: scripts
    Affects Versions: 3.0.0, 2.3.0
            Reporter: Nick Dimiduk


When running HBase tools on the cli, one of the warnings generated is

{noformat}
OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
{noformat}

Java9+ use G1GC as the default collector. Maybe we simply omit GC configurations and use the default settings? Or someone has some suggested settings we can ship out of the box?



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