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] [ 17504/ 1948 kb/s] [eta 00m:23s] Threads: 3: [mmm] [16.0% done] [ 16780/ 3388 kb/s] [eta 00m:21s] Threads: 3: [mmm] [19.2% done] [ 14924/ 2252 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 13516/ 3260 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 14044/ 3804 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 8912/ 4800 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 7880/ 6412 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 10600/ 5224 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 13100/ 3160 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 10220/ 2920 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.1% done] [ 7136/ 6736 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 3036/ 9032 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 5136/ 6932 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 3108/ 8780 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 8920/ 1792 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 8644/ 2132 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 9708/ 128 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 5248/ 4336 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 3176/ 5568 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 8508/ 1116 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19036/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 18296/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.1% done] [ 18032/ 0 kb/s] [eta 00m:07s] Threads: 2: [EVV] [86.7% done] [ 16524/ 0 kb/s] [eta 00m:04s] Threads: 2: [_VV] [90.0% done] [ 16068/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=1322 read : io=100MiB, bw=3,958KiB/s, runt= 26492msec slat (msec): min= 0, max= 4508, avg=648.23, stdev=1265.13 clat (msec): min= 0, max= 623, avg=101.28, stdev=89.59 bw (KiB/s) : min= 111, max=10906, per=39.43%, avg=4476.71, stdev=2427.06 write: io=19,452KiB, bw=904KiB/s, runt= 22032msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.20 clat (msec): min= 0, max= 903, avg=109.03, stdev=122.19 bw (KiB/s) : min= 0, max= 4933, per=41.20%, avg=1829.94, stdev=1598.89 cpu : usr=3.28%, sys=0.23%, ctx=1711 IO depths : 1=0.1%, 2=0.2%, 4=11.1%, 8=88.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.6%, 10=3.8%, 20=11.7%, 50=18.1%, 100=24.6% lat (msec): 250=31.9%, 500=7.5%, 750=0.7%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1323 read : io=100MiB, bw=3,809KiB/s, runt= 27523msec slat (msec): min= 0, max= 6316, avg=1456.19, stdev=2140.97 clat (msec): min= 0, max= 637, avg=87.24, stdev=76.17 bw (KiB/s) : min= 108, max= 9664, per=37.79%, avg=4291.17, stdev=2501.83 write: io=37,748KiB, bw=1,773KiB/s, runt= 21794msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.27 clat (msec): min= 0, max= 1065, avg=105.91, stdev=109.26 bw (KiB/s) : min= 0, max= 8215, per=56.18%, avg=2495.56, stdev=2116.59 cpu : usr=3.11%, sys=0.22%, ctx=1883 IO depths : 1=0.1%, 2=0.3%, 4=13.5%, 8=86.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.3%, 10=3.5%, 20=11.7%, 50=22.7%, 100=26.7% lat (msec): 250=28.9%, 500=5.0%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1324 read : io=100MiB, bw=3,784KiB/s, runt= 27705msec slat (msec): min= 0, max= 5765, avg=1194.54, stdev=1859.11 clat (msec): min= 3, max= 410, avg=86.23, stdev=73.28 bw (KiB/s) : min= 197, max= 8645, per=36.73%, avg=4169.88, stdev=2520.72 write: io=38,392KiB, bw=1,793KiB/s, runt= 21919msec slat (msec): min= 0, max= 4, avg= 0.06, stdev= 0.30 clat (msec): min= 0, max= 946, avg=108.35, stdev=107.78 bw (KiB/s) : min= 0, max= 6919, per=60.89%, avg=2704.56, stdev=2115.92 cpu : usr=3.38%, sys=0.30%, ctx=1922 IO depths : 1=0.1%, 2=0.4%, 4=13.5%, 8=85.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.4%, 10=3.8%, 20=10.8%, 50=22.2%, 100=27.3% lat (msec): 250=29.7%, 500=4.9%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,354KiB/s, minb=3,784KiB/s, maxb=3,958KiB/s, mint=26492msec, maxt=27705msec WRITE: io=95,592KiB, aggrb=4,442KiB/s, minb=904KiB/s, maxb=1,793KiB/s, mint=26492msec, maxt=27705msec Disk stats (read/write): sda: ios=5067/1800, merge=1364/327, ticks=479628/212372, in_queue=692000, util=99.44% 2.71user 0.26system 0:28.01elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2383minor)pagefaults 0swaps