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From "Joshua McKenzie (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7714) Add new CMS GC flags to Windows startup scripts for JVM later than 1.7.0_60
Date Thu, 07 Aug 2014 14:54:11 GMT
Joshua McKenzie created CASSANDRA-7714:
------------------------------------------

             Summary: Add new CMS GC flags to Windows startup scripts for JVM later than 1.7.0_60
                 Key: CASSANDRA-7714
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7714
             Project: Cassandra
          Issue Type: Improvement
          Components: Packaging
            Reporter: Joshua McKenzie
            Assignee: Joshua McKenzie
             Fix For: 2.0.10, 2.1.1


Replicate changes from CASSANDRA-7432.

Relevant patch contents:
{noformat}
 # note: bash evals '1.7.x' as > '1.7' so this is really a >= 1.7 jvm check
+if { [ "$JVM_VERSION" \> "1.7" ] && [ "$JVM_VERSION" \< "1.8.0" ] &&
[ "$JVM_PATCH_VERSION" -ge "60" ]; } || [ "$JVM_VERSION" \> "1.8" ] ; then
+    JVM_OPTS="$JVM_OPTS -XX:+CMSParallelInitialMarkEnabled -XX:+CMSEdenChunksRecordAlways"
+fi
{noformat}



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