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: [FmF] [15.0% done] [ 3620/ 93123 kb/s] [eta 00m:17s] Threads: 3: [FFF] [100.0% done] [ 138/ 81444 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] [ 8070/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.0% done] [ 26059/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [75.0% done] [ 34568/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [79.2% done] [ 25575/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [83.3% done] [ 33666/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [95.5% done] [ 35791/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 34291/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35291/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33397/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=16188 read : io=100MiB, bw=4,197KiB/s, runt= 24983msec clat (msec): min= 0, max= 453, avg= 5.78, stdev=29.44 bw (KiB/s) : min= 6, max=14704, per=61.10%, avg=7692.55, stdev=5367.37 write: io=94,772KiB, bw=6,240KiB/s, runt= 15550msec clat (msec): min= 0, max= 21, avg= 0.20, stdev= 1.78 bw (KiB/s) : min= 0, max=79532, per=155.33%, avg=29342.67, stdev=43672.33 cpu : usr=5.43%, sys=1.47%, ctx=995 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=85.9%, 4=4.4%, 10=5.7%, 20=1.6%, 50=1.3%, 100=0.1% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16189 read : io=100MiB, bw=4,290KiB/s, runt= 24437msec clat (msec): min= 0, max= 325, avg= 6.44, stdev=29.25 bw (KiB/s) : min= 16, max=17216, per=65.83%, avg=8288.68, stdev=5147.87 write: io=92,656KiB, bw=6,101KiB/s, runt= 15550msec clat (msec): min= 0, max= 221, avg= 0.37, stdev= 5.93 bw (KiB/s) : min= 0, max=120602, per=219.50%, avg=41466.67, stdev=68559.51 cpu : usr=5.12%, sys=1.19%, ctx=992 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=83.8%, 4=5.2%, 10=6.9%, 20=1.5%, 50=1.3%, 100=0.1% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16190 read : io=100MiB, bw=4,280KiB/s, runt= 24498msec clat (msec): min= 0, max= 267, avg= 5.18, stdev=26.33 bw (KiB/s) : min= 14, max=19875, per=77.51%, avg=9759.39, stdev=6696.44 write: io=99,452KiB, bw=6,549KiB/s, runt= 15548msec clat (msec): min= 0, max= 22, avg= 0.21, stdev= 1.83 bw (KiB/s) : min= 0, max=59436, per=127.08%, avg=24006.33, stdev=31321.38 cpu : usr=5.52%, sys=1.47%, ctx=1022 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=86.1%, 4=5.0%, 10=5.6%, 20=1.2%, 50=0.9%, 100=0.2% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,591KiB/s, minb=4,197KiB/s, maxb=4,290KiB/s, mint=24437msec, maxt=24983msec WRITE: io=280MiB, aggrb=18,891KiB/s, minb=6,101KiB/s, maxb=6,549KiB/s, mint=24437msec, maxt=24983msec Disk stats (read/write): sda: ios=3272/1962, merge=1256/69440, ticks=93284/1824248, in_queue=1926912, util=98.37% 3.97user 1.11system 0:25.31elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (4major+1077minor)pagefaults 0swaps