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] [33.3% done] [ 2988/ 37892 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 296/ 55692 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: [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] [70.0% done] [ 4548/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 27220/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [76.2% done] [ 29608/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [85.0% done] [ 26808/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.0% done] [ 34014/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 37256/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36420/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30488/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 33624/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=24255 read : io=100MiB, bw=4,524KiB/s, runt= 23165msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 962, avg=48.31, stdev=102.38 bw (KiB/s) : min= 7, max=18870, per=60.99%, avg=8192.11, stdev=5536.73 write: io=96,732KiB, bw=7,142KiB/s, runt= 13868msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 215, avg= 1.11, stdev=11.00 bw (KiB/s) : min= 0, max=39264, per=93.71%, avg=19632.00, stdev=27763.84 cpu : usr=3.23%, sys=1.64%, ctx=6515 IO depths : 1=1.9%, 2=54.7%, 4=31.7%, 8=11.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.3%, 4=0.3%, 10=22.4%, 20=13.9%, 50=5.4%, 100=0.4% lat (msec): 250=5.3%, 500=2.3%, 750=0.3%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24256 read : io=100MiB, bw=4,655KiB/s, runt= 22522msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 710, avg=47.89, stdev=82.94 bw (KiB/s) : min= 15, max=19890, per=67.66%, avg=9086.75, stdev=6642.78 write: io=96,636KiB, bw=7,127KiB/s, runt= 13884msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 95, avg= 0.47, stdev= 3.70 bw (KiB/s) : min= 0, max=27974, per=66.77%, avg=13987.00, stdev=19780.61 cpu : usr=3.41%, sys=1.99%, ctx=6635 IO depths : 1=1.3%, 2=54.1%, 4=31.1%, 8=13.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.9%, 4=0.8%, 10=17.7%, 20=15.5%, 50=6.7%, 100=0.9% lat (msec): 250=8.0%, 500=1.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24257 read : io=100MiB, bw=4,477KiB/s, runt= 23417msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 586, avg=55.55, stdev=95.13 bw (KiB/s) : min= 19, max=16941, per=55.76%, avg=7488.57, stdev=5547.75 write: io=90,684KiB, bw=6,697KiB/s, runt= 13864msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 182, avg= 1.20, stdev=11.01 bw (KiB/s) : min= 0, max=23411, per=55.88%, avg=11705.50, stdev=16554.08 cpu : usr=3.14%, sys=1.57%, ctx=6792 IO depths : 1=1.6%, 2=52.4%, 4=31.8%, 8=14.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.9%, 4=0.8%, 10=18.3%, 20=16.0%, 50=5.1%, 100=0.8% lat (msec): 250=8.3%, 500=2.3%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,431KiB/s, minb=4,477KiB/s, maxb=4,655KiB/s, mint=22522msec, maxt=23417msec WRITE: io=277MiB, aggrb=20,949KiB/s, minb=6,697KiB/s, maxb=7,142KiB/s, mint=22522msec, maxt=23417msec Disk stats (read/write): sda: ios=3317/1993, merge=1330/68816, ticks=85156/1855616, in_queue=1944908, util=98.92% 2.32user 1.24system 0:23.70elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2469minor)pagefaults 0swaps