Add new GC flags for java7/8 Patch by brandonwilliams, reviewed by jbellis for CASSANDRA-7432
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/f92291c6 Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/f92291c6 Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/f92291c6 Branch: refs/heads/trunk Commit: f92291c62180ff7c49fc4ea0a7ca8eb9df76b8a2 Parents: d5d1adb Author: Brandon Williams <brandonwilli...@apache.org> Authored: Tue Aug 5 17:52:48 2014 -0500 Committer: Brandon Williams <brandonwilli...@apache.org> Committed: Tue Aug 5 17:52:48 2014 -0500 ---------------------------------------------------------------------- conf/cassandra-env.sh | 4 ++++ 1 file changed, 4 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/cassandra/blob/f92291c6/conf/cassandra-env.sh ---------------------------------------------------------------------- diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh index d4e6590..5e2fb87 100644 --- a/conf/cassandra-env.sh +++ b/conf/cassandra-env.sh @@ -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
