fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [FmF] [50.0% done] [ 592/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 100/ 26332 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: [FFV] [72.7% done] [ 43/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFV] [75.0% done] [ 7553/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFV] [83.3% done] [ 8026/ 0 kb/s] [eta 00m:02s] Threads: 3: [FFV] [91.7% done] [ 14718/ 0 kb/s] [eta 00m:01s] Threads: 3: [VFV] [70.6% done] [ 18061/ 0 kb/s] [eta 00m:05s] Threads: 3: [VFV] [81.2% done] [ 28408/ 0 kb/s] [eta 00m:03s] Threads: 3: [VFV] [93.3% done] [ 34615/ 0 kb/s] [eta 00m:01s] Threads: 3: [VFV] [100.0% done] [ 30349/ 0 kb/s] [eta 00m:00s] Threads: 2: [VF_] [100.0% done] [ 18313/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [68.0% done] [ 23583/ 0 kb/s] [eta 00m:08s] Threads: 1: [_V_] [94.7% done] [ 43968/ 0 kb/s] [eta 00m:01s] Threads: 1: [_V_] [100.0% done] [ 40479/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1411 read : io=100MiB, bw=5,851KiB/s, runt= 17919msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 302, avg=28.29, stdev=49.34 bw (KiB/s) : min= 0, max=27361, per=87.56%, avg=13599.17, stdev=7854.92 write: io=99,456KiB, bw=8,475KiB/s, runt= 12016msec slat (msec): min= 0, max= 9, avg= 0.01, stdev= 0.28 clat (msec): min= 0, max= 198, avg= 0.83, stdev= 8.61 bw (KiB/s) : min= 0, max=99639, per=298.97%, avg=51760.67, stdev=49932.82 cpu : usr=6.59%, sys=1.92%, ctx=7702 IO depths : 1=31.6%, 2=31.0%, 4=28.4%, 8=9.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.2%, 4=0.6%, 10=20.0%, 20=18.8%, 50=4.4%, 100=2.3% lat (msec): 250=4.1%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1412 read : io=100MiB, bw=5,177KiB/s, runt= 20252msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 772, avg=20.64, stdev=63.12 bw (KiB/s) : min= 15, max=44763, per=107.13%, avg=16640.00, stdev=20505.15 write: io=96,780KiB, bw=5,753KiB/s, runt= 17224msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 664, avg= 2.22, stdev=26.91 bw (KiB/s) : min= 0, max=77488, per=189.01%, avg=32724.00, stdev=40122.55 cpu : usr=5.79%, sys=2.03%, ctx=5010 IO depths : 1=5.0%, 2=59.9%, 4=26.7%, 8=8.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.1%, 4=5.6%, 10=26.5%, 20=17.4%, 50=1.5%, 100=0.4% lat (msec): 250=1.4%, 500=0.7%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1413 read : io=100MiB, bw=6,617KiB/s, runt= 15844msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 267, avg=39.40, stdev=53.63 bw (KiB/s) : min= 6, max=21479, per=73.38%, avg=11397.41, stdev=5689.66 write: io=94,976KiB, bw=11,843KiB/s, runt= 8212msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 110, avg= 0.53, stdev= 5.17 bw (KiB/s) : min= 0, max=123002, per=355.23%, avg=61501.00, stdev=86975.55 cpu : usr=5.10%, sys=2.47%, ctx=4466 IO depths : 1=3.1%, 2=56.3%, 4=28.8%, 8=11.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.7%, 4=0.5%, 10=14.8%, 20=15.2%, 50=6.9%, 100=6.3% lat (msec): 250=6.1%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=15,532KiB/s, minb=5,177KiB/s, maxb=6,617KiB/s, mint=15844msec, maxt=20252msec WRITE: io=284MiB, aggrb=17,313KiB/s, minb=5,753KiB/s, maxb=11,843KiB/s, mint=15844msec, maxt=20252msec Disk stats (read/write): sda: ios=2721/1706, merge=1258/70833, ticks=25924/1950224, in_queue=2108184, util=91.59% 3.21user 1.21system 0:20.59elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2460minor)pagefaults 0swaps