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: [mFF] [75.0% done] [ 540/ 0 kb/s] [eta 00m:01s] Threads: 3: [mFF] [66.7% done] [ 260/ 0 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 345/ 8769 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: [FFV] [78.6% done] [ 12495/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVV] [70.6% done] [ 10697/ 0 kb/s] [eta 00m:05s] Threads: 3: [FVV] [76.5% done] [ 37546/ 0 kb/s] [eta 00m:04s] Threads: 3: [FVV] [87.5% done] [ 30744/ 0 kb/s] [eta 00m:02s] Threads: 3: [FVV] [100.0% done] [ 33922/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVV] [100.0% done] [ 41362/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [68.0% done] [ 28497/ 0 kb/s] [eta 00m:08s] Threads: 1: [V__] [94.7% done] [ 45748/ 0 kb/s] [eta 00m:01s] Threads: 1: [V__] [100.0% done] [ 46807/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=23086 read : io=100MiB, bw=5,366KiB/s, runt= 19538msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 759, avg=26.34, stdev=94.37 bw (KiB/s) : min= 0, max=49012, per=92.36%, avg=14870.17, stdev=21758.84 write: io=98MiB, bw=6,046KiB/s, runt= 17013msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 315, avg= 1.54, stdev=13.73 bw (KiB/s) : min= 0, max=65421, per=149.89%, avg=26878.00, stdev=34234.94 cpu : usr=5.40%, sys=1.74%, ctx=7238 IO depths : 1=1.2%, 2=51.7%, 4=33.4%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=41.6%, 4=10.7%, 10=23.3%, 20=20.8%, 50=1.1%, 100=0.2% lat (msec): 250=0.6%, 500=0.6%, 750=0.9%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23087 read : io=100MiB, bw=6,027KiB/s, runt= 17397msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 274, avg=26.31, stdev=46.05 bw (KiB/s) : min= 21, max=25141, per=86.58%, avg=13939.42, stdev=9151.07 write: io=98MiB, bw=8,510KiB/s, runt= 12040msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 67, avg= 0.40, stdev= 2.71 bw (KiB/s) : min= 0, max=127983, per=238.58%, avg=42781.67, stdev=73786.74 cpu : usr=4.71%, sys=2.16%, ctx=6367 IO depths : 1=1.3%, 2=52.9%, 4=32.0%, 8=13.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.2%, 4=4.9%, 10=16.5%, 20=18.6%, 50=4.5%, 100=1.4% lat (msec): 250=4.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23088 read : io=100MiB, bw=6,396KiB/s, runt= 16394msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 346, avg=32.32, stdev=48.74 bw (KiB/s) : min= 4, max=27436, per=85.94%, avg=13836.00, stdev=8935.05 write: io=97,412KiB, bw=9,771KiB/s, runt= 10208msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 157, avg= 1.09, stdev= 7.42 bw (KiB/s) : min= 0, max=133267, per=299.98%, avg=53792.33, stdev=70247.49 cpu : usr=6.20%, sys=1.81%, ctx=6192 IO depths : 1=0.6%, 2=51.2%, 4=33.5%, 8=14.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=41.9%, 4=8.5%, 10=17.5%, 20=18.0%, 50=4.0%, 100=3.0% lat (msec): 250=6.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=16,100KiB/s, minb=5,366KiB/s, maxb=6,396KiB/s, mint=16394msec, maxt=19538msec WRITE: io=291MiB, aggrb=17,932KiB/s, minb=6,046KiB/s, maxb=9,771KiB/s, mint=16394msec, maxt=19538msec Disk stats (read/write): sda: ios=2681/1939, merge=785/72392, ticks=27860/1738552, in_queue=1779964, util=96.20% 2.92user 1.08system 0:19.92elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2479minor)pagefaults 0swaps