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] [7.9% done] [ 5900/ 5408 kb/s] [eta 00m:35s] Threads: 3: [mmm] [10.8% done] [ 8088/ 3192 kb/s] [eta 00m:33s] Threads: 3: [mmm] [13.2% done] [ 5320/ 7916 kb/s] [eta 00m:33s] Threads: 3: [mmm] [15.8% done] [ 12388/ 428 kb/s] [eta 00m:32s] Threads: 3: [mmm] [18.4% done] [ 5716/ 6112 kb/s] [eta 00m:31s] Threads: 3: [mmm] [20.5% done] [ 3532/ 8712 kb/s] [eta 00m:31s] Threads: 3: [mmm] [23.7% done] [ 3936/ 6924 kb/s] [eta 00m:29s] Threads: 3: [mmm] [26.3% done] [ 8208/ 2828 kb/s] [eta 00m:28s] Threads: 3: [mmm] [28.2% done] [ 7280/ 3696 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.8% done] [ 4372/ 4788 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 6984/ 2572 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.0% done] [ 7316/ 2224 kb/s] [eta 00m:26s] Threads: 3: [mmm] [36.6% done] [ 4972/ 5900 kb/s] [eta 00m:26s] Threads: 3: [mmm] [39.0% done] [ 8928/ 340 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.5% done] [ 3760/ 5768 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.9% done] [ 3348/ 5172 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.2% done] [ 3808/ 6036 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.6% done] [ 4812/ 2696 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 3248/ 4252 kb/s] [eta 00m:22s] Threads: 3: [mmm] [50.0% done] [ 3828/ 4716 kb/s] [eta 00m:22s] Threads: 3: [mmm] [52.3% done] [ 2552/ 4544 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 3648/ 2588 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.3% done] [ 1264/ 7140 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.3% done] [ 3424/ 3404 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.2% done] [ 4688/ 3044 kb/s] [eta 00m:21s] Threads: 3: [mmm] [57.1% done] [ 2696/ 4304 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [58.0% done] [ 9660/ 164 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [57.7% done] [ 10972/ 164 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [57.4% done] [ 12520/ 168 kb/s] [eta 00m:23s] Threads: 3: [VVm] [58.2% done] [ 15632/ 0 kb/s] [eta 00m:23s] Threads: 3: [VVm] [57.6% done] [ 17452/ 120 kb/s] [eta 00m:25s] Threads: 2: [_Vm] [58.3% done] [ 17236/ 512 kb/s] [eta 00m:25s] Threads: 2: [_Vm] [60.0% done] [ 15032/ 0 kb/s] [eta 00m:24s] Threads: 1: [__m] [61.7% done] [ 13112/ 0 kb/s] [eta 00m:23s] Threads: 1: [__m] [66.7% done] [ 1180/ 6968 kb/s] [eta 00m:19s] Threads: 1: [__V] [75.0% done] [ 12068/ 1132 kb/s] [eta 00m:13s] Threads: 1: [__V] [87.0% done] [ 16988/ 0 kb/s] [eta 00m:06s] fio: (groupid=0): err= 0: pid=12300 read : io=100MiB, bw=3,057KiB/s, runt= 34294msec clat (msec): min= 0, max= 191, avg=11.65, stdev=17.66 bw (KiB/s) : min= 51, max=16817, per=54.21%, avg=4164.23, stdev=3590.17 write: io=50,492KiB, bw=1,772KiB/s, runt= 29165msec clat (msec): min= 0, max= 119, avg=14.65, stdev=12.59 bw (KiB/s) : min= 0, max= 5423, per=71.92%, avg=2661.69, stdev=1724.45 cpu : usr=2.86%, sys=0.19%, ctx=2544 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=31.7%, 4=6.6%, 10=13.9%, 20=19.9%, 50=25.9%, 100=1.0% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12301 read : io=100MiB, bw=2,870KiB/s, runt= 36530msec clat (msec): min= 0, max= 141, avg=14.82, stdev=19.79 bw (KiB/s) : min= 28, max=17819, per=41.23%, avg=3167.62, stdev=3689.98 write: io=42,476KiB, bw=1,332KiB/s, runt= 32653msec clat (msec): min= 0, max= 112, avg=19.91, stdev=14.88 bw (KiB/s) : min= 0, max= 6322, per=61.46%, avg=2274.66, stdev=1902.72 cpu : usr=2.77%, sys=0.19%, ctx=2156 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=19.0%, 4=7.4%, 10=17.5%, 20=21.9%, 50=30.8%, 100=1.6% lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12302 read : io=100MiB, bw=2,560KiB/s, runt= 40948msec clat (msec): min= 0, max= 218, avg=15.04, stdev=23.35 bw (KiB/s) : min= 3, max=21338, per=42.16%, avg=3239.11, stdev=4544.53 write: io=44,904KiB, bw=1,205KiB/s, runt= 38145msec clat (msec): min= 0, max= 232, avg=16.28, stdev=28.14 bw (KiB/s) : min= 0, max= 9252, per=57.97%, avg=2145.52, stdev=2355.61 cpu : usr=2.65%, sys=0.16%, ctx=2525 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=33.7%, 4=5.6%, 10=12.6%, 20=16.3%, 50=28.0%, 100=1.5% lat (msec): 250=2.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,682KiB/s, minb=2,560KiB/s, maxb=3,057KiB/s, mint=34294msec, maxt=40948msec WRITE: io=135MiB, aggrb=3,701KiB/s, minb=1,205KiB/s, maxb=1,772KiB/s, mint=34294msec, maxt=40948msec Disk stats (read/write): sda: ios=5558/2579, merge=888/380, ticks=87836/51916, in_queue=139748, util=98.11% 3.07user 0.29system 0:41.59elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1100minor)pagefaults 0swaps