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: [FFm] [27.3% done] [ 664/ 0 kb/s] [eta 00m:08s] Threads: 3: [FFm] [66.7% done] [ 468/ 51348 kb/s] [eta 00m:02s] Threads: 3: [VFm] [71.4% done] [ 17104/ 3372 kb/s] [eta 00m:02s] Threads: 3: [VFF] [100.0% done] [ 17564/ 5288 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 4216/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 3864/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 6980/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 8228/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 8600/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 17825/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [100.0% done] [ 13736/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 1996/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [68.2% done] [ 21452/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VV] [80.0% done] [ 40316/ 0 kb/s] [eta 00m:04s] Threads: 2: [_VV] [94.4% done] [ 42900/ 0 kb/s] [eta 00m:01s] Threads: 2: [_VV] [100.0% done] [ 43108/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=25240 read : io=100MiB, bw=7,735KiB/s, runt= 13555msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 446, avg=44.08, stdev=54.99 bw (KiB/s) : min= 14, max=31310, per=63.56%, avg=10307.00, stdev=7711.55 write: io=99,712KiB, bw=23,332KiB/s, runt= 4376msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 206, avg= 0.97, stdev= 9.72 bw (KiB/s) : min= 0, max=129941, per=328.13%, avg=64970.50, stdev=91882.16 cpu : usr=5.93%, sys=3.81%, ctx=3770 IO depths : 1=1.5%, 2=52.1%, 4=34.3%, 8=12.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.7%, 4=2.0%, 10=13.6%, 20=8.5%, 50=14.0%, 100=7.7% lat (msec): 250=5.8%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25241 read : io=100MiB, bw=5,405KiB/s, runt= 19398msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 398, avg=24.40, stdev=51.99 bw (KiB/s) : min= 15, max=46847, per=99.88%, avg=16196.73, stdev=13696.01 write: io=94,444KiB, bw=6,536KiB/s, runt= 14796msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 118, avg= 0.60, stdev= 4.67 bw (KiB/s) : min= 0, max=114466, per=289.06%, avg=57233.00, stdev=80939.68 cpu : usr=4.35%, sys=2.35%, ctx=5324 IO depths : 1=1.9%, 2=55.4%, 4=31.3%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.2%, 4=3.1%, 10=27.5%, 20=14.2%, 50=1.0%, 100=1.2% lat (msec): 250=4.0%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25242 read : io=100MiB, bw=5,620KiB/s, runt= 18657msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1053, avg=35.48, stdev=103.19 bw (KiB/s) : min= 5, max=33551, per=73.81%, avg=11968.38, stdev=12214.25 write: io=91,948KiB, bw=6,373KiB/s, runt= 14772msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 583, avg= 4.13, stdev=33.24 bw (KiB/s) : min= 0, max=92315, per=130.39%, avg=25817.25, stdev=44609.46 cpu : usr=4.14%, sys=2.14%, ctx=6032 IO depths : 1=1.8%, 2=55.0%, 4=30.7%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.0%, 4=1.9%, 10=23.8%, 20=13.9%, 50=4.6%, 100=1.7% lat (msec): 250=4.5%, 500=0.8%, 750=0.2%, 1000=0.3%, >=2000=0.1% Run status group 0 (all jobs): READ: io=300MiB, aggrb=16,216KiB/s, minb=5,405KiB/s, maxb=7,735KiB/s, mint=13555msec, maxt=19398msec WRITE: io=279MiB, aggrb=19,800KiB/s, minb=6,373KiB/s, maxb=23,332KiB/s, mint=13555msec, maxt=19398msec Disk stats (read/write): sda: ios=2778/1611, merge=1085/69746, ticks=37516/1760508, in_queue=1818604, util=98.70% 2.46user 1.43system 0:19.69elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2470minor)pagefaults 0swaps