[CASSANDRA-7714] Add new CMS GC flags to Windows startup scripts for JVM later than 1.7.0_60

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.1.1
• Component/s: Packaging
• Labels: Windows
• Assignee: Joshua McKenzie
• Reporter: Joshua McKenzie

Authors

Joshua McKenzie

Reviewers

Jonathan Ellis

• Created: 07/Aug/14 14:54
• Updated: 16/Apr/19 09:31
• Resolved: 13/Aug/14 18:58

Description

Replicate changes from CASSANDRA-7432.

Relevant patch contents:

 # 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

Issue Links

• relates to: CASSANDRA-7432 Add new CMS GC flags to cassandra_env.sh for JVM later than 1.7.0_60