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: [FmF] [37.5% done] [ 2852/ 36688 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 540/ 44876 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] [68.4% done] [ 2972/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [70.0% done] [ 26544/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [75.0% done] [ 28096/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [84.2% done] [ 31980/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [94.4% done] [ 32416/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 36884/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37212/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32564/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33240/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=11318 read : io=100MiB, bw=4,757KiB/s, runt= 22041msec slat (msec): min=12614, max=21091, avg=17300.83, stdev=2364.17 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=15759, per=76.65%, avg=10808.57, stdev=5258.90 write: io=100MiB, bw=8,233KiB/s, runt= 12736msec slat (msec): min= 0, max= 13, avg= 1.94, stdev= 2.08 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=110722, per=235.13%, avg=55361.00, stdev=78292.28 cpu : usr=5.79%, sys=1.87%, ctx=754 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=11319 read : io=100MiB, bw=4,843KiB/s, runt= 21647msec slat (msec): min= 90, max=17696, avg=13042.81, stdev=3802.65 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 21, max=23867, per=59.16%, avg=8342.80, stdev=6912.20 write: io=96,920KiB, bw=7,795KiB/s, runt= 12732msec slat (msec): min= 0, max= 109, avg= 2.27, stdev= 5.83 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=89400, per=126.66%, avg=29823.00, stdev=51595.21 cpu : usr=5.88%, sys=1.59%, ctx=856 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% fio: (groupid=0): err= 0: pid=11320 read : io=100MiB, bw=4,700KiB/s, runt= 22307msec slat (msec): min= 78, max=19486, avg=14878.80, stdev=4184.20 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 12, max=18099, per=60.80%, avg=8573.06, stdev=5116.48 write: io=93,524KiB, bw=7,521KiB/s, runt= 12732msec slat (msec): min= 0, max= 163, avg= 2.76, stdev=11.96 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=88876, per=131.07%, avg=30860.00, stdev=50277.45 cpu : usr=5.50%, sys=1.81%, ctx=865 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=14,101KiB/s, minb=4,700KiB/s, maxb=4,843KiB/s, mint=21647msec, maxt=22307msec WRITE: io=286MiB, aggrb=23,545KiB/s, minb=7,521KiB/s, maxb=8,233KiB/s, mint=21647msec, maxt=22307msec Disk stats (read/write): sda: ios=3103/1835, merge=1389/71275, ticks=79800/1629972, in_queue=1712096, util=98.96% 3.83user 1.20system 0:22.57elapsed 22%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2413minor)pagefaults 0swaps