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: [FFF] [100.0% done] [ 576/ 34508 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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VFF] [70.0% done] [ 292/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [68.2% done] [ 18844/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 30684/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [77.3% done] [ 29868/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [90.0% done] [ 35056/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 32112/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 38192/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36716/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32660/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 34120/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12507 read : io=100MiB, bw=4,544KiB/s, runt= 23074msec clat (msec): min= 0, max= 257, avg= 5.07, stdev=25.23 bw (KiB/s) : min= 6, max=18239, per=83.73%, avg=11086.44, stdev=5180.38 write: io=100MiB, bw=7,437KiB/s, runt= 14098msec clat (msec): min= 0, max= 110, avg= 0.26, stdev= 3.43 bw (KiB/s) : min= 0, max=73588, per=149.52%, avg=32199.67, stdev=37644.68 cpu : usr=6.31%, sys=1.42%, ctx=782 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=86.7%, 4=4.9%, 10=5.6%, 20=0.8%, 50=0.6%, 100=0.2% lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12508 read : io=100MiB, bw=4,465KiB/s, runt= 23483msec clat (msec): min= 0, max= 264, avg= 5.65, stdev=24.97 bw (KiB/s) : min= 3, max=25123, per=71.66%, avg=9488.37, stdev=7417.88 write: io=98,308KiB, bw=7,059KiB/s, runt= 14259msec clat (msec): min= 0, max= 10, avg= 0.03, stdev= 0.41 bw (KiB/s) : min= 0, max=59265, per=182.90%, avg=39387.00, stdev=34110.64 cpu : usr=5.81%, sys=1.53%, ctx=937 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=85.0%, 4=4.4%, 10=7.0%, 20=1.2%, 50=1.0%, 100=0.4% lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12509 read : io=100MiB, bw=4,413KiB/s, runt= 23758msec clat (msec): min= 0, max= 298, avg= 6.21, stdev=27.48 bw (KiB/s) : min= 4, max=16651, per=62.82%, avg=8316.95, stdev=6364.85 write: io=99,276KiB, bw=7,126KiB/s, runt= 14264msec clat (msec): min= 0, max= 34, avg= 0.22, stdev= 1.99 bw (KiB/s) : min= 0, max=40288, per=122.33%, avg=26343.33, stdev=22827.09 cpu : usr=5.25%, sys=1.25%, ctx=893 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=83.5%, 4=5.0%, 10=7.8%, 20=1.2%, 50=0.8%, 100=0.4% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,240KiB/s, minb=4,413KiB/s, maxb=4,544KiB/s, mint=23074msec, maxt=23758msec WRITE: io=293MiB, aggrb=21,535KiB/s, minb=7,059KiB/s, maxb=7,437KiB/s, mint=23074msec, maxt=23758msec Disk stats (read/write): sda: ios=3107/2203, merge=1052/72471, ticks=85500/1814588, in_queue=1921900, util=97.58% 4.06user 0.99system 0:24.11elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1062minor)pagefaults 0swaps