Script to enable/disable gc

dse-gclogs.sh

COMMAND=$1

FILE=$DSE_CASS_CONFIG_HOME/jvm.options

OPTIONS=(
'-XX:+PrintGCDetails'
'-XX:+PrintGCDateStamps'
'-XX:+PrintHeapAtGC'
'-XX:+PrintTenuringDistribution'
'-XX:+PrintGCApplicationStoppedTime'
'-XX:+PrintPromotionFailure'
'-XX:PrintFLSStatistics'
'-Xloggc'
'-XX:+UseGCLogFileRotation'
'-XX:NumberOfGCLogFiles'
'-XX:GCLogFileSize'
)

function enable() {
    for o in "${OPTIONS[@]}"; do
        CMD="s/^#$o/$o/"
	sed -i $CMD $FILE
    done
}

function disable() {
    for o in "${OPTIONS[@]}"; do
        CMD="s/^$o/#$o/"
        sed -i $CMD $FILE
    done
}

$COMMAND