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: [mmm] [11.5% done] [ 15332/ 4816 kb/s] [eta 00m:23s] Threads: 3: [mmm] [17.4% done] [ 13884/ 7844 kb/s] [eta 00m:19s] Threads: 3: [mmm] [20.8% done] [ 12040/ 4768 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 8924/ 8788 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.2% done] [ 16452/ 548 kb/s] [eta 00m:17s] Threads: 3: [mmm] [32.0% done] [ 10428/ 6012 kb/s] [eta 00m:17s] Threads: 3: [mmm] [36.0% done] [ 12260/ 4032 kb/s] [eta 00m:16s] Threads: 3: [mmm] [38.5% done] [ 9468/ 7220 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 5168/ 9088 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 4056/ 10316 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 7524/ 6660 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 9832/ 1796 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 8508/ 3060 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 4808/ 6412 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 6356/ 4024 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 5164/ 4108 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 2968/ 6364 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 4900/ 2012 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 2256/ 5916 kb/s] [eta 00m:11s] Threads: 3: [VVm] [66.7% done] [ 5908/ 4276 kb/s] [eta 00m:11s] Threads: 3: [VVV] [67.6% done] [ 13440/ 0 kb/s] [eta 00m:11s] Threads: 3: [VVV] [72.7% done] [ 15340/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.8% done] [ 16248/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.8% done] [ 13760/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.8% done] [ 15328/ 0 kb/s] [eta 00m:06s] Threads: 2: [VEV] [87.5% done] [ 15960/ 0 kb/s] [eta 00m:04s] Threads: 1: [__V] [96.7% done] [ 17276/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=25343 read : io=100MiB, bw=3,601KiB/s, runt= 29113msec slat (msec): min= 0, max= 7588, avg=1800.23, stdev=2478.20 clat (msec): min= 0, max= 659, avg=90.09, stdev=110.23 bw (KiB/s) : min= 77, max= 9445, per=39.78%, avg=4198.88, stdev=2716.78 write: io=40,820KiB, bw=1,926KiB/s, runt= 21694msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.26 clat (msec): min= 0, max= 1333, avg=98.92, stdev=158.36 bw (KiB/s) : min= 0, max= 7694, per=55.49%, avg=2934.30, stdev=2480.03 cpu : usr=3.19%, sys=0.27%, ctx=1834 IO depths : 1=0.2%, 2=0.8%, 4=18.3%, 8=80.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=6.5%, 4=1.1%, 10=6.6%, 20=20.0%, 50=30.6%, 100=6.2% lat (msec): 250=13.6%, 500=14.2%, 750=0.6%, 1000=0.3%, >=2000=0.1% fio: (groupid=0): err= 0: pid=25344 read : io=100MiB, bw=3,686KiB/s, runt= 28447msec slat (msec): min= 0, max= 6796, avg=1464.35, stdev=2154.58 clat (msec): min= 0, max= 609, avg=99.13, stdev=111.48 bw (KiB/s) : min= 80, max=10044, per=41.34%, avg=4362.59, stdev=2674.78 write: io=29,424KiB, bw=1,389KiB/s, runt= 21680msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.20 clat (msec): min= 0, max= 936, avg=97.80, stdev=143.88 bw (KiB/s) : min= 0, max= 5270, per=40.79%, avg=2156.73, stdev=1834.82 cpu : usr=2.98%, sys=0.21%, ctx=1693 IO depths : 1=0.2%, 2=0.4%, 4=18.3%, 8=81.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=4.5%, 4=1.5%, 10=5.8%, 20=16.4%, 50=32.2%, 100=7.2% lat (msec): 250=16.5%, 500=14.7%, 750=0.8%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25345 read : io=100MiB, bw=3,518KiB/s, runt= 29806msec slat (msec): min= 0, max= 7571, avg=2623.22, stdev=2981.49 clat (msec): min= 0, max= 615, avg=86.72, stdev=113.60 bw (KiB/s) : min= 35, max=16019, per=37.53%, avg=3960.88, stdev=3171.61 write: io=45,940KiB, bw=2,091KiB/s, runt= 22496msec slat (msec): min= 0, max= 46, avg= 0.13, stdev= 2.16 clat (msec): min= 0, max= 1220, avg=100.10, stdev=143.62 bw (KiB/s) : min= 0, max= 8035, per=53.35%, avg=2820.93, stdev=2388.07 cpu : usr=3.03%, sys=0.19%, ctx=1842 IO depths : 1=0.1%, 2=0.9%, 4=19.3%, 8=79.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=5.7%, 4=1.8%, 10=7.5%, 20=19.7%, 50=29.3%, 100=7.9% lat (msec): 250=14.2%, 500=12.9%, 750=0.8%, 1000=0.1%, >=2000=0.1% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,554KiB/s, minb=3,518KiB/s, maxb=3,686KiB/s, mint=28447msec, maxt=29806msec WRITE: io=113MiB, aggrb=5,288KiB/s, minb=1,389KiB/s, maxb=2,091KiB/s, mint=28447msec, maxt=29806msec Disk stats (read/write): sda: ios=4596/2364, merge=1831/411, ticks=485780/252452, in_queue=738232, util=99.04% 2.74user 0.23system 0:30.22elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2412minor)pagefaults 0swaps