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] [10.0% done] [ 9760/ 5540 kb/s] [eta 00m:27s] Threads: 3: [mmm] [13.3% done] [ 10676/ 5380 kb/s] [eta 00m:26s] Threads: 3: [mmm] [15.2% done] [ 8864/ 6384 kb/s] [eta 00m:28s] Threads: 3: [mmm] [17.6% done] [ 9512/ 4288 kb/s] [eta 00m:28s] Threads: 3: [mmm] [20.6% done] [ 7872/ 4160 kb/s] [eta 00m:27s] Threads: 3: [mmm] [22.9% done] [ 6508/ 6828 kb/s] [eta 00m:27s] Threads: 3: [mmm] [26.5% done] [ 6020/ 8620 kb/s] [eta 00m:25s] Threads: 3: [mmm] [29.4% done] [ 5732/ 7080 kb/s] [eta 00m:24s] Threads: 3: [mmm] [30.6% done] [ 6600/ 5624 kb/s] [eta 00m:25s] Threads: 3: [mmm] [33.3% done] [ 7840/ 4124 kb/s] [eta 00m:24s] Threads: 3: [mmm] [36.1% done] [ 8320/ 3972 kb/s] [eta 00m:23s] Threads: 3: [mmm] [37.8% done] [ 8000/ 3112 kb/s] [eta 00m:23s] Threads: 3: [mmm] [40.5% done] [ 6556/ 4740 kb/s] [eta 00m:22s] Threads: 3: [mmm] [42.1% done] [ 10064/ 0 kb/s] [eta 00m:22s] Threads: 3: [mmm] [43.6% done] [ 7392/ 1472 kb/s] [eta 00m:22s] Threads: 3: [mmm] [45.0% done] [ 1708/ 7576 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.5% done] [ 3308/ 5960 kb/s] [eta 00m:21s] Threads: 3: [mmm] [48.8% done] [ 4372/ 3216 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 692/ 9164 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 1824/ 7116 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.5% done] [ 6716/ 584 kb/s] [eta 00m:20s] Threads: 3: [mmV] [54.5% done] [ 2852/ 3652 kb/s] [eta 00m:20s] Threads: 3: [mmV] [54.3% done] [ 11968/ 336 kb/s] [eta 00m:21s] Threads: 3: [mmV] [55.3% done] [ 11260/ 1672 kb/s] [eta 00m:21s] Threads: 3: [mVV] [55.1% done] [ 15276/ 272 kb/s] [eta 00m:22s] Threads: 3: [mVV] [56.0% done] [ 14524/ 448 kb/s] [eta 00m:22s] Threads: 2: [mV_] [55.8% done] [ 16008/ 40 kb/s] [eta 00m:23s] Threads: 2: [mV_] [56.6% done] [ 15916/ 304 kb/s] [eta 00m:23s] Threads: 1: [m__] [59.6% done] [ 11404/ 0 kb/s] [eta 00m:21s] Threads: 1: [m__] [65.3% done] [ 2260/ 6740 kb/s] [eta 00m:17s] Threads: 1: [V__] [73.9% done] [ 9408/ 2928 kb/s] [eta 00m:12s] Threads: 1: [V__] [87.5% done] [ 19388/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=22347 read : io=100MiB, bw=2,919KiB/s, runt= 35920msec clat (msec): min= 0, max= 224, avg=11.67, stdev=22.14 bw (KiB/s) : min= 2, max=22405, per=44.82%, avg=3924.61, stdev=5660.27 write: io=48,724KiB, bw=1,499KiB/s, runt= 33268msec clat (msec): min= 0, max= 489, avg=15.86, stdev=42.87 bw (KiB/s) : min= 0, max= 8787, per=53.07%, avg=2236.71, stdev=2423.39 cpu : usr=2.61%, sys=0.33%, ctx=2588 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=46.9%, 4=7.4%, 10=18.2%, 20=10.7%, 50=9.7%, 100=3.7% lat (msec): 250=3.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22348 read : io=100MiB, bw=3,357KiB/s, runt= 31231msec clat (msec): min= 0, max= 428, avg=11.69, stdev=20.32 bw (KiB/s) : min= 7, max=16900, per=43.55%, avg=3814.11, stdev=3981.61 write: io=42,088KiB, bw=1,591KiB/s, runt= 27084msec clat (msec): min= 0, max= 221, avg=12.09, stdev=28.96 bw (KiB/s) : min= 0, max=11164, per=64.92%, avg=2736.38, stdev=2894.16 cpu : usr=3.10%, sys=0.26%, ctx=2439 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=36.7%, 4=7.0%, 10=20.7%, 20=19.0%, 50=12.5%, 100=2.5% lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22349 read : io=100MiB, bw=3,592KiB/s, runt= 29184msec clat (msec): min= 0, max= 175, avg=10.21, stdev=14.78 bw (KiB/s) : min= 7, max=15677, per=52.18%, avg=4569.82, stdev=4033.19 write: io=46,148KiB, bw=1,946KiB/s, runt= 24273msec clat (msec): min= 0, max= 259, avg=11.76, stdev=27.90 bw (KiB/s) : min= 0, max= 5974, per=66.48%, avg=2802.07, stdev=2294.67 cpu : usr=3.03%, sys=0.41%, ctx=2528 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=41.8%, 4=7.5%, 10=18.7%, 20=16.4%, 50=11.6%, 100=2.8% lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,757KiB/s, minb=2,919KiB/s, maxb=3,592KiB/s, mint=29184msec, maxt=35920msec WRITE: io=134MiB, aggrb=4,215KiB/s, minb=1,499KiB/s, maxb=1,946KiB/s, mint=29184msec, maxt=35920msec Disk stats (read/write): sda: ios=5657/2945, merge=766/117, ticks=73268/47808, in_queue=121076, util=98.29% 2.79user 0.46system 0:36.31elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1086minor)pagefaults 0swaps