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] [10.0% done] [ 6112/ 13408 kb/s] [eta 00m:27s] Threads: 3: [mmm] [12.5% done] [ 13096/ 6672 kb/s] [eta 00m:28s] Threads: 3: [mmm] [16.7% done] [ 10948/ 5972 kb/s] [eta 00m:25s] Threads: 3: [mmm] [20.7% done] [ 13856/ 4756 kb/s] [eta 00m:23s] Threads: 3: [mmm] [25.9% done] [ 10396/ 5348 kb/s] [eta 00m:20s] Threads: 3: [mmm] [27.6% done] [ 6396/ 11136 kb/s] [eta 00m:21s] Threads: 3: [mmm] [31.0% done] [ 12680/ 3200 kb/s] [eta 00m:20s] Threads: 3: [mmm] [34.5% done] [ 11996/ 6512 kb/s] [eta 00m:19s] Threads: 3: [mmm] [37.9% done] [ 10752/ 4616 kb/s] [eta 00m:18s] Threads: 3: [mmm] [41.4% done] [ 11304/ 2352 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 12136/ 1604 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 13484/ 220 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 10960/ 1088 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 5568/ 5460 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 8600/ 1204 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 10117/ 52 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 4656/ 5708 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 5836/ 2152 kb/s] [eta 00m:12s] Threads: 3: [mVV] [65.6% done] [ 2288/ 5276 kb/s] [eta 00m:11s] Threads: 3: [mVV] [66.7% done] [ 10068/ 1816 kb/s] [eta 00m:11s] Threads: 3: [VVV] [67.6% done] [ 13084/ 120 kb/s] [eta 00m:11s] Threads: 3: [VVV] [72.7% done] [ 15455/ 0 kb/s] [eta 00m:09s] Threads: 2: [VV_] [78.1% done] [ 18888/ 0 kb/s] [eta 00m:07s] Threads: 2: [VV_] [81.2% done] [ 18864/ 0 kb/s] [eta 00m:06s] Threads: 1: [V__] [90.0% done] [ 20308/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=5122 read : io=100MiB, bw=3,799KiB/s, runt= 27600msec slat (msec): min= 0, max= 4643, avg=1042.30, stdev=1587.98 clat (msec): min= 0, max= 938, avg=91.01, stdev=123.54 bw (KiB/s) : min= 3, max=13389, per=38.37%, avg=4372.88, stdev=3237.83 write: io=36,092KiB, bw=1,611KiB/s, runt= 22939msec slat (msec): min= 0, max= 93, avg= 0.29, stdev= 3.92 clat (msec): min= 0, max= 956, avg=112.71, stdev=164.79 bw (KiB/s) : min= 0, max= 8212, per=57.03%, avg=2515.78, stdev=2441.93 cpu : usr=3.54%, sys=0.19%, ctx=1714 IO depths : 1=0.2%, 2=0.5%, 4=16.9%, 8=82.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.5%, 4=1.4%, 10=7.2%, 20=18.6%, 50=33.2%, 100=7.7% lat (msec): 250=14.6%, 500=12.8%, 750=0.9%, 1000=0.9%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5123 read : io=100MiB, bw=3,842KiB/s, runt= 27292msec slat (msec): min= 0, max= 6339, avg=1808.24, stdev=2299.24 clat (msec): min= 0, max= 626, avg=94.38, stdev=112.72 bw (KiB/s) : min= 3, max=11913, per=39.18%, avg=4465.88, stdev=3319.30 write: io=44,720KiB, bw=2,182KiB/s, runt= 20978msec slat (msec): min= 0, max= 3, avg= 0.04, stdev= 0.23 clat (msec): min= 0, max= 847, avg=95.86, stdev=131.05 bw (KiB/s) : min= 0, max= 7232, per=72.18%, avg=3184.00, stdev=2749.04 cpu : usr=4.06%, sys=0.12%, ctx=1641 IO depths : 1=0.1%, 2=0.6%, 4=20.5%, 8=78.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.2%, 4=1.0%, 10=6.9%, 20=19.0%, 50=31.9%, 100=6.7% lat (msec): 250=18.3%, 500=13.1%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5124 read : io=100MiB, bw=4,284KiB/s, runt= 24472msec slat (msec): min= 0, max= 4132, avg=400.57, stdev=996.37 clat (msec): min= 0, max= 631, avg=97.71, stdev=109.43 bw (KiB/s) : min= 43, max=11699, per=40.26%, avg=4588.20, stdev=2814.20 write: io=18,008KiB, bw=907KiB/s, runt= 20323msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.30 clat (msec): min= 0, max= 971, avg=124.42, stdev=174.69 bw (KiB/s) : min= 0, max= 9601, per=52.35%, avg=2309.33, stdev=2768.03 cpu : usr=3.20%, sys=0.31%, ctx=1673 IO depths : 1=0.2%, 2=0.3%, 4=7.5%, 8=92.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.4%, 10=5.4%, 20=17.2%, 50=31.1%, 100=11.3% lat (msec): 250=17.4%, 500=14.9%, 750=0.6%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,397KiB/s, minb=3,799KiB/s, maxb=4,284KiB/s, mint=24472msec, maxt=27600msec WRITE: io=98,820KiB, aggrb=4,411KiB/s, minb=907KiB/s, maxb=2,182KiB/s, mint=24472msec, maxt=27600msec Disk stats (read/write): sda: ios=4723/1697, merge=1856/405, ticks=494252/199252, in_queue=693504, util=99.21% 2.92user 0.24system 0:27.97elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2386minor)pagefaults 0swaps