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: [FFm] [42.9% done] [ 260/ 11724 kb/s] [eta 00m:04s] Threads: 3: [FFm] [40.0% done] [ 1064/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFm] [41.7% done] [ 704/ 0 kb/s] [eta 00m:07s] Threads: 3: [FFm] [42.9% done] [ 944/ 0 kb/s] [eta 00m:08s] Threads: 3: [FFm] [41.2% done] [ 816/ 0 kb/s] [eta 00m:10s] Threads: 3: [FFm] [42.1% done] [ 1341/ 0 kb/s] [eta 00m:11s] Threads: 3: [FFm] [42.9% done] [ 1136/ 0 kb/s] [eta 00m:12s] Threads: 3: [FFm] [50.0% done] [ 992/ 9836 kb/s] [eta 00m:10s] Threads: 3: [VVF] [68.8% done] [ 496/ 26520 kb/s] [eta 00m:05s] Threads: 3: [VVF] [75.0% done] [ 22116/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVF] [81.2% done] [ 26096/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVF] [93.3% done] [ 28024/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVF] [100.0% done] [ 26908/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 23976/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 23852/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 22736/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VF] [100.0% done] [ 26900/ 0 kb/s] [eta 00m:00s] Threads: 1: [__F] [100.0% done] [ 3696/ 0 kb/s] [eta 00m:00s] Threads: 1: [__F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [78.6% done] [ 14344/ 0 kb/s] [eta 00m:06s] Threads: 1: [__V] [100.0% done] [ 30744/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 33556/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=19565 read : io=100MiB, bw=5,489KiB/s, runt= 19100msec clat (msec): min= 0, max= 251, avg= 4.62, stdev=22.10 bw (KiB/s) : min= 5, max=21372, per=92.17%, avg=11746.06, stdev=5813.05 write: io=100MiB, bw=9,650KiB/s, runt= 10866msec clat (msec): min= 0, max= 95, avg= 0.33, stdev= 3.65 bw (KiB/s) : min= 0, max=116801, per=323.00%, avg=44645.00, stdev=63073.45 cpu : usr=6.16%, sys=1.78%, ctx=797 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=86.9%, 4=4.7%, 10=5.0%, 20=1.2%, 50=1.0%, 100=0.3% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19566 read : io=100MiB, bw=5,325KiB/s, runt= 19689msec clat (msec): min= 0, max= 245, avg= 4.80, stdev=22.28 bw (KiB/s) : min= 21, max=21606, per=92.71%, avg=11815.38, stdev=5339.94 write: io=100MiB, bw=9,458KiB/s, runt= 11086msec clat (msec): min= 0, max= 49, avg= 0.23, stdev= 2.34 bw (KiB/s) : min= 0, max=117276, per=360.33%, avg=49804.33, stdev=60601.29 cpu : usr=6.30%, sys=1.79%, ctx=769 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=86.1%, 4=4.3%, 10=6.1%, 20=1.3%, 50=1.0%, 100=0.2% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19567 read : io=100MiB, bw=4,248KiB/s, runt= 24683msec clat (msec): min= 0, max= 237, avg= 6.41, stdev=22.49 bw (KiB/s) : min= 7, max=36167, per=63.57%, avg=8101.76, stdev=12709.14 write: io=86,032KiB, bw=4,088KiB/s, runt= 21546msec clat (msec): min= 0, max= 72, avg= 0.04, stdev= 1.79 bw (KiB/s) : min= 0, max= 5974, per=21.61%, avg=2987.00, stdev=4224.26 cpu : usr=4.73%, sys=1.41%, ctx=997 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=82.6%, 4=5.4%, 10=6.8%, 20=1.4%, 50=1.3%, 100=1.4% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,744KiB/s, minb=4,248KiB/s, maxb=5,489KiB/s, mint=19100msec, maxt=24683msec WRITE: io=284MiB, aggrb=13,822KiB/s, minb=4,088KiB/s, maxb=9,650KiB/s, mint=19100msec, maxt=24683msec Disk stats (read/write): sda: ios=3247/2385, merge=1067/70057, ticks=65508/2714072, in_queue=2839436, util=98.63% 3.59user 1.08system 0:25.08elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1079minor)pagefaults 0swaps