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: [mmF] [10.7% done] [ 5666/ 36583 kb/s] [eta 00m:25s] Threads: 3: [mFF] [11.1% done] [ 365/ 87088 kb/s] [eta 00m:32s] Threads: 3: [mFF] [35.7% done] [ 174/ 36266 kb/s] [eta 00m:09s] Threads: 3: [FFF] [100.0% done] [ 0/ 50685 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] [68.4% done] [ 1639/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [70.0% done] [ 23470/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 27810/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [80.0% done] [ 25209/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [85.0% done] [ 25725/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.0% done] [ 27095/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 31374/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 28350/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 27156/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 29797/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=20003 read : io=100MiB, bw=4,536KiB/s, runt= 23115msec clat (msec): min= 0, max= 848, avg= 8.75, stdev=48.24 bw (KiB/s) : min= 10, max=38180, per=51.00%, avg=6940.14, stdev=8012.51 write: io=92,516KiB, bw=7,335KiB/s, runt= 12914msec clat (msec): min= 0, max= 192, avg= 0.67, stdev= 7.95 bw (KiB/s) : min= 0, max=117776, per=142.03%, avg=30737.50, stdev=58051.44 cpu : usr=5.16%, sys=1.47%, ctx=365 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=89.7%, 4=0.4%, 10=3.1%, 20=2.7%, 50=2.0%, 100=0.8% lat (msec): 250=0.8%, 500=0.3%, 750=0.0%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20004 read : io=100MiB, bw=4,729KiB/s, runt= 22173msec clat (msec): min= 0, max= 273, avg= 7.34, stdev=25.53 bw (KiB/s) : min= 16, max=17624, per=57.88%, avg=7876.96, stdev=4079.67 write: io=85,728KiB, bw=6,797KiB/s, runt= 12914msec clat (msec): min= 0, max= 137, avg= 0.09, stdev= 3.60 bw (KiB/s) : min= 0, max=117383, per=271.19%, avg=58691.50, stdev=83002.32 cpu : usr=5.47%, sys=1.35%, ctx=433 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=88.7%, 4=0.3%, 10=2.2%, 20=3.5%, 50=3.1%, 100=1.0% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20005 read : io=100MiB, bw=4,732KiB/s, runt= 22156msec clat (msec): min= 0, max= 348, avg= 6.05, stdev=25.29 bw (KiB/s) : min= 4, max=19244, per=66.10%, avg=8995.05, stdev=4964.02 write: io=94,692KiB, bw=7,510KiB/s, runt= 12910msec clat (msec): min= 0, max= 23, avg= 0.02, stdev= 0.63 bw (KiB/s) : min= 0, max=50176, per=115.92%, avg=25088.00, stdev=35479.79 cpu : usr=5.76%, sys=1.62%, ctx=372 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=91.5%, 4=0.3%, 10=1.4%, 20=3.2%, 50=1.8%, 100=0.8% lat (msec): 250=0.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,609KiB/s, minb=4,536KiB/s, maxb=4,732KiB/s, mint=22156msec, maxt=23115msec WRITE: io=267MiB, aggrb=21,642KiB/s, minb=6,797KiB/s, maxb=7,510KiB/s, mint=22156msec, maxt=23115msec Disk stats (read/write): sda: ios=1649/1436, merge=23/66758, ticks=83944/1412136, in_queue=1496084, util=98.90% 3.68user 1.00system 0:23.48elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (2major+1065minor)pagefaults 0swaps