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: [FFm] [37.5% done] [ 838/ 0 kb/s] [eta 00m:05s] Threads: 3: [FFm] [66.7% done] [ 1059/ 40038 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 0/ 3461 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] [72.2% done] [ 7904/ 0 kb/s] [eta 00m:05s] Threads: 3: [VFF] [82.4% done] [ 10287/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [68.2% done] [ 23532/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 27784/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 28971/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [78.3% done] [ 32260/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [86.4% done] [ 32116/ 0 kb/s] [eta 00m:03s] Threads: 2: [EVV] [100.0% done] [ 34032/ 0 kb/s] [eta 00m:00s] Threads: 2: [EVV] [100.0% done] [ 33713/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 34443/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5812 read : io=100MiB, bw=5,181KiB/s, runt= 20237msec clat (msec): min= 0, max= 304, avg= 3.99, stdev=21.15 bw (KiB/s) : min= 7, max=32449, per=101.05%, avg=13493.36, stdev=8817.71 write: io=100MiB, bw=8,283KiB/s, runt= 12659msec clat (msec): min= 0, max= 110, avg= 0.30, stdev= 3.56 bw (KiB/s) : min= 0, max=104374, per=228.95%, avg=45294.50, stdev=48141.94 cpu : usr=7.00%, sys=1.94%, ctx=745 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=5.1%, 10=4.9%, 20=1.0%, 50=0.6%, 100=0.5% lat (msec): 250=0.6%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5813 read : io=100MiB, bw=4,544KiB/s, runt= 23074msec clat (msec): min= 0, max= 267, avg= 4.84, stdev=22.47 bw (KiB/s) : min= 10, max=29579, per=89.73%, avg=11981.60, stdev=8396.18 write: io=99,844KiB, bw=6,646KiB/s, runt= 15382msec clat (msec): min= 0, max= 24, avg= 0.08, stdev= 1.05 bw (KiB/s) : min= 0, max=86794, per=219.35%, avg=43397.00, stdev=61372.63 cpu : usr=5.82%, sys=1.23%, ctx=818 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=85.3%, 4=4.2%, 10=7.5%, 20=0.8%, 50=0.9%, 100=0.2% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5814 read : io=100MiB, bw=4,451KiB/s, runt= 23558msec clat (msec): min= 0, max= 316, avg= 5.87, stdev=24.43 bw (KiB/s) : min= 7, max=20996, per=60.11%, avg=8026.90, stdev=7780.38 write: io=94,952KiB, bw=6,322KiB/s, runt= 15378msec clat (msec): min= 0, max= 31, avg= 0.21, stdev= 1.87 bw (KiB/s) : min= 0, max=20123, per=54.14%, avg=10710.67, stdev=10124.13 cpu : usr=5.82%, sys=1.61%, ctx=1003 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=4.6%, 10=7.4%, 20=1.5%, 50=0.8%, 100=0.8% 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=13,353KiB/s, minb=4,451KiB/s, maxb=5,181KiB/s, mint=20237msec, maxt=23558msec WRITE: io=290MiB, aggrb=19,784KiB/s, minb=6,322KiB/s, maxb=8,283KiB/s, mint=20237msec, maxt=23558msec Disk stats (read/write): sda: ios=3147/2074, merge=1133/71975, ticks=81680/1842440, in_queue=1944384, util=97.40% 4.14user 1.07system 0:24.10elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1050minor)pagefaults 0swaps