gistfile1.txt

#!/bin/bash

usage()
{
    echo "Usage: $0: [OPTIONS]"
    echo "  -d              : Path to OSD data directory"
    echo "  -j              : Path to journal"
    echo "Example:"
    echo "  $0 -d /src/ceph-osd.1/test/ -j /dev/sdi"
    exit 1
}

while getopts 'd:j:' option
do
	case $option in
	d)
	        DATA="${OPTARG}"
		;;
	j)
		JOURNAL="${OPTARG}"
		;;
	esac
done

if [ ! $DATA ] || [ ! $JOURNAL ]; then
    usage
fi

IO_SIZE='4096 131072 4194304'
RESULTS="smallio_results"

#Create test directory
mkdir $DATA
mkdir $RESULTS

#Launch process to drop caches ans save PID
while true; do echo 1 > /proc/sys/vm/drop_caches;  sleep 1; done &
PID=$!

#Loop through IO sizes 
for size in $IO_SIZE
do
	#loop for read and write
	for ratio in 0 1
	do
		if [ $ratio == 0 ]
		then
			rw="read"
		else
			rw="write"
		fi

	        echo "Deleteing old test data"
        	rm -r $DATA/*
		#echo "./smalliobenchfs --num-concurrent-ops 16 --io-size $size --object-size 4194304 --filestore-path $DATA --journal-path $JOURNAL --disable-detailed-ops=1 --duration=300 --filestore-op-threads=10  --write-ratio=${ratio} --num-objects=500 >> $RESULTS/smallio_${rw}_${size}.log"
		./smalliobenchfs --num-concurrent-ops 16 --io-size $size --object-size 4194304 --filestore-path $DATA --journal-path $JOURNAL --disable-detailed-ops=1 --duration=300 --filestore-op-threads=10  --write-ratio=${ratio} --num-objects=500 >> $RESULTS/smallio_${rw}_${size}.log
		sleep 10
	done
done

#Kill the cache killer
kill $PID