JAVA_OPTS="$JAVA_OPTS -XX:+UseCondCardMark"

JAVA_OPTS="$JAVA_OPTS -XX:CMSWaitDuration=250"

JAVA_OPTS="$JAVA_OPTS -XX:+UseParNewGC"

JAVA_OPTS="$JAVA_OPTS -XX:+UseConcMarkSweepGC"

JAVA_OPTS="$JAVA_OPTS -XX:CMSInitiatingOccupancyFraction=75"

JAVA_OPTS="$JAVA_OPTS -XX:+UseCMSInitiatingOccupancyOnly"

jvm gc cms的标准配置