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: [mmm] [5.9% done] [ 9086/ 58190 kb/s] [eta 00m:48s] Threads: 3: [Fmm] [7.5% done] [ 5986/ 63452 kb/s] [eta 00m:49s] Threads: 3: [FFm] [38.5% done] [ 1063/ 57249 kb/s] [eta 00m:08s] Threads: 3: [FFF] [100.0% done] [ 0/ 45201 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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [69.2% done] [ 1567/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [67.9% done] [ 24142/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [74.1% done] [ 34867/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [75.0% done] [ 23156/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.5% done] [ 32212/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [92.0% done] [ 34260/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 31842/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36466/ 0 kb/s] [eta 00m:00s] Threads: 2: [VEV] [100.0% done] [ 31313/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=14471 read : io=100MiB, bw=3,805KiB/s, runt= 27556msec clat (msec): min= 0, max= 330, avg= 6.41, stdev=29.68 bw (KiB/s) : min= 0, max=34795, per=68.26%, avg=7792.35, stdev=7867.49 write: io=94,764KiB, bw=5,337KiB/s, runt= 18180msec clat (msec): min= 0, max= 24, avg= 0.25, stdev= 2.15 bw (KiB/s) : min= 0, max=39592, per=94.82%, avg=14744.67, stdev=21643.23 cpu : usr=4.27%, sys=1.06%, ctx=969 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=3.8%, 10=5.4%, 20=1.9%, 50=2.0%, 100=0.4% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14472 read : io=100MiB, bw=3,912KiB/s, runt= 26802msec clat (msec): min= 0, max= 345, avg= 6.56, stdev=28.40 bw (KiB/s) : min= 8, max=15683, per=67.00%, avg=7648.19, stdev=5002.64 write: io=91,500KiB, bw=5,158KiB/s, runt= 18164msec clat (msec): min= 0, max= 22, avg= 0.10, stdev= 1.27 bw (KiB/s) : min= 0, max=15548, per=49.99%, avg=7774.00, stdev=10994.10 cpu : usr=4.51%, sys=1.06%, ctx=1053 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=83.6%, 4=5.2%, 10=6.5%, 20=1.4%, 50=1.9%, 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=14473 read : io=100MiB, bw=3,863KiB/s, runt= 27143msec clat (msec): min= 0, max= 279, avg= 7.78, stdev=29.78 bw (KiB/s) : min= 3, max=16521, per=60.90%, avg=6951.54, stdev=4710.94 write: io=89,824KiB, bw=5,063KiB/s, runt= 18164msec clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=122609, per=394.24%, avg=61304.50, stdev=86697.66 cpu : usr=4.36%, sys=1.05%, ctx=1061 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=82.8%, 4=5.0%, 10=6.9%, 20=1.2%, 50=2.0%, 100=0.7% lat (msec): 250=1.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,415KiB/s, minb=3,805KiB/s, maxb=3,912KiB/s, mint=26802msec, maxt=27556msec WRITE: io=270MiB, aggrb=15,550KiB/s, minb=5,063KiB/s, maxb=5,337KiB/s, mint=26802msec, maxt=27556msec Disk stats (read/write): sda: ios=3545/2372, merge=1440/66594, ticks=98984/1970804, in_queue=2069792, util=99.26% 3.57user 0.91system 0:28.06elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1080minor)pagefaults 0swaps