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: [mFF] [50.0% done] [ 6748/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 1465/ 32448 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] [68.2% done] [ 10543/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [72.7% done] [ 22970/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [77.3% done] [ 29981/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.8% done] [ 26348/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [86.4% done] [ 26133/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.9% done] [ 27888/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.5% done] [ 29640/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 24304/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 28703/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 25501/ 0 kb/s] [eta 00m:00s] Threads: 1: [VEE] [100.0% done] [ 21114/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5168 read : io=100MiB, bw=4,039KiB/s, runt= 25958msec slat (msec): min= 0, max=22500, avg=15264.16, stdev=7275.92 clat (msec): min= 0, max= 411, avg=63.82, stdev=76.74 bw (KiB/s) : min= 7, max=19062, per=55.49%, avg=6723.81, stdev=3869.75 write: io=85,280KiB, bw=5,994KiB/s, runt= 14567msec slat (msec): min= 0, max= 14, avg= 1.79, stdev= 2.19 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=16943, per=43.12%, avg=8471.50, stdev=11980.51 cpu : usr=3.07%, sys=1.05%, ctx=330 IO depths : 1=6.9%, 2=17.8%, 4=50.4%, 8=24.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=58.4%, 4=0.2%, 10=4.3%, 20=8.0%, 50=7.0%, 100=7.2% lat (msec): 250=13.2%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5169 read : io=100MiB, bw=4,183KiB/s, runt= 25062msec slat (msec): min= 0, max=23535, avg=17914.87, stdev=4217.77 clat (msec): min= 0, max= 909, avg=52.94, stdev=84.65 bw (KiB/s) : min= 16, max=16072, per=78.85%, avg=9555.53, stdev=4444.68 write: io=96,612KiB, bw=6,783KiB/s, runt= 14583msec slat (msec): min= 0, max= 20, avg= 2.04, stdev= 2.56 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=97036, per=246.95%, avg=48518.00, stdev=68614.81 cpu : usr=4.01%, sys=1.21%, ctx=215 IO depths : 1=8.9%, 2=20.4%, 4=51.9%, 8=18.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=66.2%, 4=0.0%, 10=2.5%, 20=8.7%, 50=7.5%, 100=4.4% lat (msec): 250=9.0%, 500=1.3%, 750=0.1%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5170 read : io=100MiB, bw=4,210KiB/s, runt= 24906msec slat (msec): min= 0, max=23397, avg=18527.03, stdev=3832.66 clat (msec): min= 0, max= 433, avg=48.15, stdev=76.08 bw (KiB/s) : min= 0, max=13948, per=76.66%, avg=9289.26, stdev=3538.80 write: io=97,908KiB, bw=6,882KiB/s, runt= 14568msec slat (msec): min= 0, max= 28, avg= 2.01, stdev= 2.67 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=89629, per=228.10%, avg=44814.50, stdev=63377.27 cpu : usr=4.38%, sys=1.32%, ctx=209 IO depths : 1=8.8%, 2=21.2%, 4=51.0%, 8=18.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=73.2%, 4=0.1%, 10=1.9%, 20=5.3%, 50=5.3%, 100=4.2% lat (msec): 250=8.3%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,118KiB/s, minb=4,039KiB/s, maxb=4,210KiB/s, mint=24906msec, maxt=25958msec WRITE: io=273MiB, aggrb=19,647KiB/s, minb=5,994KiB/s, maxb=6,882KiB/s, mint=24906msec, maxt=25958msec Disk stats (read/write): sda: ios=1607/1813, merge=9362/68136, ticks=224080/1811040, in_queue=2031808, util=94.39% 2.93user 0.91system 0:26.74elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2426minor)pagefaults 0swaps