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: [mFm] [16.7% done] [ 6640/ 63468 kb/s] [eta 00m:15s] Threads: 3: [mFm] [44.4% done] [ 3592/ 45560 kb/s] [eta 00m:05s] Threads: 3: [FFm] [50.0% done] [ 1084/ 40708 kb/s] [eta 00m:05s] Threads: 3: [FFm] [50.0% done] [ 1044/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 288/ 27672 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: [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: [VVV] [66.7% done] [ 500/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.2% done] [ 20372/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [72.7% done] [ 29572/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [81.0% done] [ 25768/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 32168/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 36460/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35796/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33272/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30428/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 31896/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=15885 read : io=100MiB, bw=4,514KiB/s, runt= 23227msec clat (msec): min= 0, max= 309, avg= 6.65, stdev=28.16 bw (KiB/s) : min= 8, max=19111, per=59.83%, avg=8022.48, stdev=5879.16 write: io=91,224KiB, bw=6,646KiB/s, runt= 14054msec clat (msec): min= 0, max= 172, avg= 0.41, stdev= 6.08 bw (KiB/s) : min= 0, max=35416, per=58.35%, avg=11778.25, stdev=16680.94 cpu : usr=5.15%, sys=1.69%, ctx=953 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=85.1%, 4=4.2%, 10=5.7%, 20=1.8%, 50=1.4%, 100=0.5% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15886 read : io=100MiB, bw=4,502KiB/s, runt= 23288msec clat (msec): min= 0, max= 257, avg= 5.66, stdev=25.03 bw (KiB/s) : min= 8, max=22306, per=73.43%, avg=9846.21, stdev=6297.45 write: io=97,828KiB, bw=7,115KiB/s, runt= 14079msec clat (msec): min= 0, max= 31, avg= 0.07, stdev= 1.20 bw (KiB/s) : min= 0, max=91160, per=225.81%, avg=45580.00, stdev=64459.85 cpu : usr=5.03%, sys=1.12%, ctx=840 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=85.5%, 4=4.5%, 10=6.1%, 20=1.3%, 50=1.1%, 100=0.5% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15887 read : io=100MiB, bw=4,469KiB/s, runt= 23459msec clat (msec): min= 0, max= 327, avg= 8.57, stdev=29.20 bw (KiB/s) : min= 17, max=19652, per=49.01%, avg=6571.41, stdev=5422.43 write: io=88,480KiB, bw=6,448KiB/s, runt= 14050msec clat (msec): min= 0, max= 55, avg= 0.32, stdev= 3.52 bw (KiB/s) : min= 0, max=115851, per=145.59%, avg=29387.25, stdev=57647.93 cpu : usr=5.23%, sys=1.48%, ctx=1113 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=80.3%, 4=4.6%, 10=7.8%, 20=1.9%, 50=3.0%, 100=1.0% lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,409KiB/s, minb=4,469KiB/s, maxb=4,514KiB/s, mint=23227msec, maxt=23459msec WRITE: io=271MiB, aggrb=20,185KiB/s, minb=6,448KiB/s, maxb=7,115KiB/s, mint=23227msec, maxt=23459msec Disk stats (read/write): sda: ios=3517/1705, merge=1275/67622, ticks=77684/1644508, in_queue=1722924, util=99.05% 3.59user 1.02system 0:23.82elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1056minor)pagefaults 0swaps