sysbench批量io测试

gistfile1.sh

for size in 256M 16G; do
        for mode in seqwr seqrd rndrd rndwr rndrw; do
             sysbench --test=fileio --file-num=1 --file-total-size=$size prepare
             for threads in 1 4 8 16; do
                    echo PARAMS $size $mode $threads> sysbench-size-$size-mode-$mode-threads-$threads
                    sysbench --test=fileio --file-total-size=$size --file-test-mode=$mode\
                         --max-time=60 --max-requests=10000000 --num-threads=$threads --init-rng=on\
                         --file-num=1 --file-extra-flags=direct --file-fsync-freq=0 run \
                        >> sysbench-size-$size-mode-$mode-threads-$threads 2>&1
             done
            sysbench --test=fileio --file-total-size=$size cleanup
        done
done