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] [33.3% done] [ 10104/ 53528 kb/s] [eta 00m:06s] Threads: 3: [FFm] [66.7% done] [ 1169/100730 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 0/ 8772 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [71.4% done] [ 88/ 0 kb/s] [eta 00m:04s] Threads: 3: [VFF] [73.3% done] [ 4444/ 0 kb/s] [eta 00m:04s] Threads: 3: [VFF] [75.0% done] [ 6912/ 0 kb/s] [eta 00m:04s] Threads: 3: [VFF] [81.2% done] [ 8632/ 0 kb/s] [eta 00m:03s] Threads: 3: [VFF] [87.5% done] [ 10328/ 0 kb/s] [eta 00m:02s] Threads: 3: [VFF] [93.8% done] [ 7600/ 0 kb/s] [eta 00m:01s] Threads: 3: [VFF] [100.0% done] [ 10964/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 11516/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 5084/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 22744/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [69.0% done] [ 17032/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [77.8% done] [ 32488/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [91.7% done] [ 27422/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VV] [100.0% done] [ 33064/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 33885/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 27132/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=4065 read : io=100MiB, bw=5,374KiB/s, runt= 19511msec clat (msec): min= 0, max= 211, avg= 7.09, stdev=20.85 bw (KiB/s) : min= 11, max=24182, per=65.14%, avg=7850.27, stdev=5792.51 write: io=93,892KiB, bw=9,797KiB/s, runt= 9813msec clat (msec): min= 0, max= 34, avg= 0.07, stdev= 1.28 bw (KiB/s) : min= 0, max=29264, per=99.56%, avg=14632.00, stdev=20692.77 cpu : usr=6.64%, sys=1.68%, ctx=847 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=82.4%, 4=4.6%, 10=5.2%, 20=2.7%, 50=2.6%, 100=1.7% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4066 read : io=100MiB, bw=4,058KiB/s, runt= 25835msec clat (msec): min= 0, max= 169, avg= 4.49, stdev=16.45 bw (KiB/s) : min= 4, max=31847, per=91.06%, avg=10973.12, stdev=9688.91 write: io=95,664KiB, bw=5,030KiB/s, runt= 19475msec clat (msec): min= 0, max= 51, avg= 0.26, stdev= 2.53 bw (KiB/s) : min= 0, max=25018, per=104.86%, avg=15410.00, stdev=13480.45 cpu : usr=4.64%, sys=1.52%, ctx=926 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=83.1%, 4=4.7%, 10=7.5%, 20=1.9%, 50=1.4%, 100=0.6% lat (msec): 250=0.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4067 read : io=100MiB, bw=4,017KiB/s, runt= 26102msec clat (msec): min= 0, max= 274, avg= 5.11, stdev=18.39 bw (KiB/s) : min= 13, max=28720, per=78.55%, avg=9465.60, stdev=8854.88 write: io=89,944KiB, bw=4,730KiB/s, runt= 19471msec clat (msec): min= 0, max= 78, avg= 0.29, stdev= 3.41 bw (KiB/s) : min= 0, max=50200, per=118.67%, avg=17439.67, stdev=28391.06 cpu : usr=4.58%, sys=1.29%, ctx=920 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=82.8%, 4=4.6%, 10=7.2%, 20=2.0%, 50=2.0%, 100=0.6% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,051KiB/s, minb=4,017KiB/s, maxb=5,374KiB/s, mint=19511msec, maxt=26102msec WRITE: io=273MiB, aggrb=14,696KiB/s, minb=4,730KiB/s, maxb=9,797KiB/s, mint=19511msec, maxt=26102msec Disk stats (read/write): sda: ios=3466/2195, merge=1181/67643, ticks=72604/2147152, in_queue=2219764, util=99.47% 3.69user 1.06system 0:26.46elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1097minor)pagefaults 0swaps