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] [10.7% done] [ 11715/ 8476 kb/s] [eta 00m:25s] Threads: 3: [mmm] [14.3% done] [ 19200/ 1231 kb/s] [eta 00m:24s] Threads: 3: [mmm] [18.5% done] [ 6188/ 12072 kb/s] [eta 00m:22s] Threads: 3: [mmm] [22.2% done] [ 9748/ 9488 kb/s] [eta 00m:21s] Threads: 3: [mmm] [26.9% done] [ 10183/ 5534 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 6578/ 7281 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 2787/ 14181 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 11792/ 4047 kb/s] [eta 00m:18s] Threads: 3: [mmm] [40.7% done] [ 15847/ 893 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 12275/ 1564 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 6306/ 7058 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 8057/ 4904 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 10390/ 3827 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 7302/ 3076 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 4762/ 5640 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 4668/ 3856 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 3380/ 5491 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 5953/ 2612 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 5924/ 2523 kb/s] [eta 00m:11s] Threads: 3: [mmm] [66.7% done] [ 5043/ 1172 kb/s] [eta 00m:11s] Threads: 3: [VmV] [67.6% done] [ 9392/ 32 kb/s] [eta 00m:11s] Threads: 3: [VVV] [70.6% done] [ 17240/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [75.8% done] [ 16040/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.8% done] [ 14132/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.8% done] [ 16088/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [84.8% done] [ 16404/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [90.6% done] [ 12264/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=12345 read : io=100MiB, bw=3,741KiB/s, runt= 28027msec slat (msec): min= 0, max= 5764, avg=930.46, stdev=1602.62 clat (msec): min= 0, max= 671, avg=94.04, stdev=112.22 bw (KiB/s) : min= 8, max=10723, per=39.28%, avg=4163.44, stdev=3025.83 write: io=31,276KiB, bw=1,452KiB/s, runt= 22053msec slat (msec): min= 0, max= 4, avg= 0.04, stdev= 0.28 clat (msec): min= 0, max= 1171, avg=108.51, stdev=177.10 bw (KiB/s) : min= 0, max= 6819, per=46.77%, avg=2292.38, stdev=2143.25 cpu : usr=3.41%, sys=0.33%, ctx=1766 IO depths : 1=0.1%, 2=0.4%, 4=15.1%, 8=84.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=1.1%, 10=6.6%, 20=19.9%, 50=34.2%, 100=6.8% lat (msec): 250=13.5%, 500=14.7%, 750=0.9%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12346 read : io=100MiB, bw=3,533KiB/s, runt= 29677msec slat (msec): min= 0, max= 7182, avg=1772.68, stdev=2529.33 clat (msec): min= 0, max= 710, avg=92.32, stdev=108.21 bw (KiB/s) : min= 25, max=17923, per=39.22%, avg=4156.67, stdev=3251.40 write: io=41,380KiB, bw=1,885KiB/s, runt= 22469msec slat (msec): min= 0, max= 5, avg= 0.04, stdev= 0.31 clat (msec): min= 0, max= 1044, avg=112.80, stdev=156.60 bw (KiB/s) : min= 0, max= 7121, per=55.39%, avg=2714.81, stdev=2227.65 cpu : usr=2.94%, sys=0.20%, ctx=1781 IO depths : 1=0.1%, 2=0.6%, 4=16.8%, 8=82.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.7%, 4=0.6%, 10=6.3%, 20=17.1%, 50=33.3%, 100=9.0% lat (msec): 250=15.0%, 500=14.4%, 750=1.1%, 1000=0.1%, >=2000=0.1% fio: (groupid=0): err= 0: pid=12347 read : io=100MiB, bw=3,584KiB/s, runt= 29257msec slat (msec): min= 0, max= 6874, avg=1350.71, stdev=2102.41 clat (msec): min= 0, max= 605, avg=94.69, stdev=106.71 bw (KiB/s) : min= 15, max=10404, per=38.47%, avg=4077.95, stdev=2666.09 write: io=34,892KiB, bw=1,597KiB/s, runt= 22367msec slat (msec): min= 0, max= 36, avg= 0.06, stdev= 1.45 clat (msec): min= 0, max= 1035, avg=106.45, stdev=147.90 bw (KiB/s) : min= 0, max= 7674, per=49.34%, avg=2417.96, stdev=2229.68 cpu : usr=3.34%, sys=0.23%, ctx=1873 IO depths : 1=0.2%, 2=0.3%, 4=14.2%, 8=85.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.7%, 4=1.5%, 10=6.6%, 20=17.2%, 50=31.7%, 100=8.1% lat (msec): 250=16.8%, 500=14.7%, 750=0.4%, 1000=0.0%, >=2000=0.1% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,599KiB/s, minb=3,533KiB/s, maxb=3,741KiB/s, mint=28027msec, maxt=29677msec WRITE: io=105MiB, aggrb=4,901KiB/s, minb=1,452KiB/s, maxb=1,885KiB/s, mint=28027msec, maxt=29677msec Disk stats (read/write): sda: ios=4838/2054, merge=1744/298, ticks=483420/236536, in_queue=719972, util=99.48% 2.86user 0.26system 0:29.98elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2406minor)pagefaults 0swaps