Rados Bench

bench.sh

#!/bin/bash

num_instances=4
hosts=("ceph0" "ceph1")
let num_pools=${#hosts[@]}*$num_instances


#Create Pools

pgs=16384

for i in $(seq 1 $num_pools)
do
  ceph osd pool create performance_${i} $pgs $pgs
	ceph osd pool set performance_${i} size 1
done

#Begins Test
sizes="4096 131072 4194304"

for size in $sizes
do

	#Write Test
	i=1
	for host in ${hosts[@]}
	do
		let k=$i+$num_instances-1
	        for n in $(seq $i $k)
        	do
       			ssh $host rados bench 300 write -p performance_${n} -b ${size} --no-cleanup > rados_write_${size}_${host}_${n} &
       		done
		let i=$k+1
	        echo $host: write test ${size} running...
	done
	wait

	#Read Test
	i=1
	for host in ${hosts[@]}
	do
        	let k=$i+$num_instances-1
        	for n in $(seq $i $k)
       	 	do
                	ssh $host rados bench 120 seq -p performance_${n} -b ${size} --no-cleanup > rados_read_${size}_${host}_${n} &
        	done
        	let i=$k+1
                echo $host: read test size ${size} running...
	done
	wait
done

echo "Test done"