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Add new GC flags for java7/8 

Patch by brandonwilliams, reviewed by jbellis for CASSANDRA-7432
This commit is contained in:
Brandon Williams 2014-08-05 17:52:48 -05:00
parent d5d1adb440
commit f92291c621
1 changed files with 4 additions and 0 deletions
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4
conf/cassandra-env.sh
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@ -214,6 +214,10 @@ JVM_OPTS="$JVM_OPTS -XX:+UseCMSInitiatingOccupancyOnly"
JVM_OPTS="$JVM_OPTS -XX:+UseTLAB"
# 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="$JVM_OPTS -XX:+CMSParallelInitialMarkEnabled -XX:+CMSEdenChunksRecordAlways"
fi
if [ "$JVM_ARCH" = "64-Bit" ] ; then
JVM_OPTS="$JVM_OPTS -XX:+UseCondCardMark"
fi