fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 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: [FVF] [70.6% done] [ 3984/ 0 kb/s] [eta 00m:05s] Threads: 3: [FVF] [81.2% done] [ 13664/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [66.7% done] [ 19540/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [68.2% done] [ 21188/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.2% done] [ 34152/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.0% done] [ 31924/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [85.7% done] [ 28488/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.0% done] [ 38756/ 0 kb/s] [eta 00m:01s] Threads: 2: [V_V] [100.0% done] [ 38168/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 38096/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=13925 read : io=100MiB, bw=4,748KiB/s, runt= 22084msec slat (msec): min= 77, max=20668, avg=17635.97, stdev=3356.15 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 6, max=28181, per=87.55%, avg=12329.87, stdev=9159.45 write: io=97,412KiB, bw=7,058KiB/s, runt= 14132msec slat (msec): min= 0, max= 13, avg= 1.96, stdev= 2.07 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=110175, per=253.88%, avg=55087.50, stdev=77905.49 cpu : usr=5.51%, sys=1.96%, ctx=791 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13926 read : io=100MiB, bw=5,356KiB/s, runt= 19575msec slat (msec): min=10687, max=18620, avg=14682.06, stdev=2179.28 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 4, max=20841, per=87.51%, avg=12324.27, stdev=6114.31 write: io=100MiB, bw=9,193KiB/s, runt= 11406msec slat (msec): min= 0, max= 16, avg= 2.02, stdev= 2.10 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=110329, per=254.24%, avg=55164.50, stdev=78014.38 cpu : usr=6.42%, sys=1.98%, ctx=773 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13927 read : io=100MiB, bw=4,694KiB/s, runt= 22337msec slat (msec): min= 53, max=20516, avg=17105.94, stdev=3296.92 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 13, max=22846, per=72.95%, avg=10273.75, stdev=7135.79 write: io=99,648KiB, bw=7,224KiB/s, runt= 14124msec slat (msec): min= 0, max= 60, avg= 2.06, stdev= 3.81 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=94779, per=146.68%, avg=31827.33, stdev=54518.88 cpu : usr=5.71%, sys=1.93%, ctx=831 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=14,083KiB/s, minb=4,694KiB/s, maxb=5,356KiB/s, mint=19575msec, maxt=22337msec WRITE: io=292MiB, aggrb=21,698KiB/s, minb=7,058KiB/s, maxb=9,193KiB/s, mint=19575msec, maxt=22337msec Disk stats (read/write): sda: ios=2975/1936, merge=1209/72683, ticks=64908/1758768, in_queue=1846600, util=99.11% 3.80user 1.27system 0:22.57elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2414minor)pagefaults 0swaps