fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [7.7% done] [ 13096/ 0 kb/s] [eta 00m:36s] Threads: 3: [mmm] [10.5% done] [ 10268/ 2512 kb/s] [eta 00m:34s] Threads: 3: [mmm] [14.3% done] [ 6484/ 7576 kb/s] [eta 00m:30s] Threads: 3: [mmm] [16.7% done] [ 11960/ 256 kb/s] [eta 00m:30s] Threads: 3: [mmm] [19.4% done] [ 5444/ 6404 kb/s] [eta 00m:29s] Threads: 3: [mmm] [21.6% done] [ 11056/ 0 kb/s] [eta 00m:29s] Threads: 3: [mmm] [23.7% done] [ 12168/ 0 kb/s] [eta 00m:29s] Threads: 3: [mmm] [25.6% done] [ 7892/ 292 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.2% done] [ 3712/ 7348 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.8% done] [ 7288/ 2216 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 4164/ 5616 kb/s] [eta 00m:27s] Threads: 3: [mmm] [34.1% done] [ 5272/ 4576 kb/s] [eta 00m:27s] Threads: 3: [mmm] [36.6% done] [ 4196/ 6464 kb/s] [eta 00m:26s] Threads: 3: [mmm] [39.0% done] [ 4356/ 5964 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.5% done] [ 6864/ 1592 kb/s] [eta 00m:25s] Threads: 3: [mmm] [42.9% done] [ 7352/ 1900 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.2% done] [ 5596/ 3032 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.5% done] [ 4600/ 3236 kb/s] [eta 00m:23s] Threads: 3: [mmm] [48.8% done] [ 6208/ 1680 kb/s] [eta 00m:22s] Threads: 3: [mmm] [50.0% done] [ 7704/ 328 kb/s] [eta 00m:22s] Threads: 3: [mmm] [52.3% done] [ 4108/ 2732 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 4212/ 3636 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.3% done] [ 2988/ 3580 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.3% done] [ 5060/ 1956 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.2% done] [ 3688/ 3116 kb/s] [eta 00m:21s] Threads: 3: [mmm] [57.1% done] [ 3904/ 3316 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [58.0% done] [ 9196/ 1324 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [58.8% done] [ 14728/ 148 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [58.5% done] [ 12368/ 480 kb/s] [eta 00m:22s] Threads: 2: [_mm] [61.5% done] [ 6412/ 3004 kb/s] [eta 00m:20s] Threads: 2: [_mm] [61.8% done] [ 6940/ 760 kb/s] [eta 00m:21s] Threads: 2: [_Vm] [61.4% done] [ 13532/ 1128 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [62.1% done] [ 16328/ 36 kb/s] [eta 00m:22s] Threads: 1: [__m] [64.9% done] [ 12604/ 116 kb/s] [eta 00m:20s] Threads: 1: [__V] [71.7% done] [ 8348/ 1600 kb/s] [eta 00m:15s] Threads: 1: [__V] [81.2% done] [ 13904/ 0 kb/s] [eta 00m:09s] fio: (groupid=0): err= 0: pid=13640 read : io=100MiB, bw=3,265KiB/s, runt= 32115msec clat (msec): min= 0, max= 135, avg=13.23, stdev=14.74 bw (KiB/s) : min= 11, max=13465, per=46.11%, avg=3666.20, stdev=2900.35 write: io=33,812KiB, bw=1,195KiB/s, runt= 28965msec clat (msec): min= 0, max= 68, avg=13.97, stdev=12.03 bw (KiB/s) : min= 0, max= 5413, per=79.37%, avg=2172.38, stdev=1972.88 cpu : usr=3.04%, sys=0.21%, ctx=2250 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=26.1%, 4=6.1%, 10=15.1%, 20=20.0%, 50=31.2%, 100=1.0% lat (msec): 250=0.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13641 read : io=100MiB, bw=2,863KiB/s, runt= 36622msec clat (msec): min= 0, max= 203, avg=14.31, stdev=17.81 bw (KiB/s) : min= 7, max=16833, per=45.07%, avg=3583.51, stdev=3933.33 write: io=37,660KiB, bw=1,133KiB/s, runt= 34020msec clat (msec): min= 0, max= 222, avg=19.75, stdev=26.07 bw (KiB/s) : min= 0, max= 5491, per=71.42%, avg=1954.73, stdev=2091.84 cpu : usr=2.52%, sys=0.15%, ctx=2214 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=23.3%, 4=6.1%, 10=16.7%, 20=18.8%, 50=32.0%, 100=1.2% lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13642 read : io=100MiB, bw=2,650KiB/s, runt= 39559msec clat (msec): min= 0, max= 156, avg=16.89, stdev=21.93 bw (KiB/s) : min= 11, max=14891, per=37.88%, avg=3011.82, stdev=3064.44 write: io=28,788KiB, bw=785KiB/s, runt= 37505msec clat (msec): min= 0, max= 202, avg=18.98, stdev=24.71 bw (KiB/s) : min= 0, max= 5237, per=50.12%, avg=1371.80, stdev=1659.61 cpu : usr=2.56%, sys=0.17%, ctx=2172 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=21.6%, 4=6.0%, 10=17.0%, 20=18.9%, 50=32.1%, 100=1.2% lat (msec): 250=3.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,951KiB/s, minb=2,650KiB/s, maxb=3,265KiB/s, mint=32115msec, maxt=39559msec WRITE: io=98MiB, aggrb=2,737KiB/s, minb=785KiB/s, maxb=1,195KiB/s, mint=32115msec, maxt=39559msec Disk stats (read/write): sda: ios=5495/1831, merge=768/239, ticks=94260/36720, in_queue=130976, util=98.83% 2.91user 0.32system 0:39.98elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1082minor)pagefaults 0swaps