[global] ioengine=spdk_bdev spdk_json_conf=${FTL_JSON_CONF} filename=${FTL_BDEV_NAME} thread=1 direct=1 random_distribution=normal io_size=5G [job1] iodepth=512 rw=write bs=32k buffer_pattern="abcdef" [job2] iodepth=512 rw=write bs=64k buffer_pattern="qwert"