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: [mFF] [60.0% done] [ 636/ 50408 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 252/ 11468 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] [69.6% done] [ 4420/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.0% done] [ 22400/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [75.0% done] [ 35876/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [79.2% done] [ 27944/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [87.0% done] [ 33992/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.5% done] [ 38548/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 28984/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37044/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35892/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12322 read : io=100MiB, bw=4,132KiB/s, runt= 25374msec clat (msec): min= 0, max= 308, avg= 6.79, stdev=32.31 bw (KiB/s) : min= 0, max=26864, per=62.59%, avg=7759.35, stdev=7228.94 write: io=95,908KiB, bw=6,240KiB/s, runt= 15737msec clat (msec): min= 0, max= 103, avg= 0.34, stdev= 3.45 bw (KiB/s) : min= 0, max=24731, per=74.97%, avg=14474.33, stdev=12893.69 cpu : usr=5.27%, sys=1.18%, ctx=956 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=84.4%, 4=4.6%, 10=7.1%, 20=1.7%, 50=0.4%, 100=0.5% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12323 read : io=100MiB, bw=4,263KiB/s, runt= 24593msec clat (msec): min= 0, max= 298, avg= 5.04, stdev=28.22 bw (KiB/s) : min= 16, max=14848, per=82.45%, avg=10221.53, stdev=4933.37 write: io=99MiB, bw=6,577KiB/s, runt= 15741msec clat (msec): min= 0, max= 14, avg= 0.06, stdev= 0.68 bw (KiB/s) : min= 0, max=97452, per=252.36%, avg=48726.00, stdev=68908.97 cpu : usr=5.03%, sys=1.40%, ctx=839 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=87.2%, 4=4.3%, 10=6.7%, 20=0.3%, 50=0.4%, 100=0.2% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12324 read : io=100MiB, bw=4,158KiB/s, runt= 25215msec clat (msec): min= 0, max= 318, avg= 5.88, stdev=29.59 bw (KiB/s) : min= 14, max=16032, per=69.99%, avg=8676.58, stdev=5254.41 write: io=98MiB, bw=6,521KiB/s, runt= 15777msec clat (msec): min= 0, max= 11, avg= 0.06, stdev= 0.68 bw (KiB/s) : min= 0, max=59981, per=200.78%, avg=38767.33, stdev=33623.33 cpu : usr=5.44%, sys=1.33%, ctx=959 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=86.2%, 4=4.5%, 10=6.8%, 20=0.7%, 50=0.3%, 100=0.4% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,397KiB/s, minb=4,132KiB/s, maxb=4,263KiB/s, mint=24593msec, maxt=25374msec WRITE: io=291MiB, aggrb=19,308KiB/s, minb=6,240KiB/s, maxb=6,577KiB/s, mint=24593msec, maxt=25374msec Disk stats (read/write): sda: ios=3099/2287, merge=1318/71895, ticks=92852/2032900, in_queue=2139048, util=97.60% 3.95user 0.98system 0:25.72elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1074minor)pagefaults 0swaps