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] [9.4% done] [ 10780/ 7940 kb/s] [eta 00m:29s] Threads: 3: [mmm] [13.8% done] [ 8924/ 9832 kb/s] [eta 00m:25s] Threads: 3: [mmm] [17.2% done] [ 16956/ 868 kb/s] [eta 00m:24s] Threads: 3: [mmm] [21.4% done] [ 5452/ 11836 kb/s] [eta 00m:22s] Threads: 3: [mmm] [24.1% done] [ 6236/ 8616 kb/s] [eta 00m:22s] Threads: 3: [mmm] [27.6% done] [ 8020/ 5348 kb/s] [eta 00m:21s] Threads: 3: [mmm] [31.0% done] [ 6208/ 8328 kb/s] [eta 00m:20s] Threads: 3: [mmm] [34.5% done] [ 10276/ 4712 kb/s] [eta 00m:19s] Threads: 3: [mmm] [36.7% done] [ 9380/ 5852 kb/s] [eta 00m:19s] Threads: 3: [mmm] [40.0% done] [ 6652/ 7728 kb/s] [eta 00m:18s] Threads: 3: [mmm] [43.3% done] [ 108/ 13928 kb/s] [eta 00m:17s] Threads: 3: [mmm] [45.2% done] [ 11056/ 2048 kb/s] [eta 00m:17s] Threads: 3: [mmm] [48.4% done] [ 8412/ 3876 kb/s] [eta 00m:16s] Threads: 3: [mmm] [51.6% done] [ 7312/ 3396 kb/s] [eta 00m:15s] Threads: 3: [mmm] [54.8% done] [ 8072/ 3456 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 5576/ 5872 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 6456/ 4444 kb/s] [eta 00m:13s] Threads: 3: [mmm] [62.5% done] [ 8708/ 832 kb/s] [eta 00m:12s] Threads: 3: [mmm] [63.6% done] [ 7116/ 2492 kb/s] [eta 00m:12s] Threads: 3: [VVV] [68.8% done] [ 6356/ 4024 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19120/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 19600/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [80.6% done] [ 20116/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 21824/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [90.0% done] [ 19136/ 0 kb/s] [eta 00m:03s] Threads: 1: [V__] [100.0% done] [ 20004/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1352 read : io=100MiB, bw=3,636KiB/s, runt= 28837msec slat (msec): min= 0, max= 7032, avg=2147.80, stdev=2604.94 clat (msec): min= 0, max= 700, avg=80.51, stdev=89.09 bw (KiB/s) : min= 137, max=23511, per=38.63%, avg=4213.61, stdev=4012.84 write: io=52,344KiB, bw=2,441KiB/s, runt= 21958msec slat (msec): min= 0, max= 12, avg= 0.12, stdev= 0.84 clat (msec): min= 0, max= 926, avg=101.70, stdev=121.65 bw (KiB/s) : min= 0, max= 8945, per=53.62%, avg=3283.28, stdev=2385.42 cpu : usr=3.62%, sys=0.19%, ctx=1886 IO depths : 1=0.1%, 2=0.4%, 4=15.5%, 8=84.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.9%, 4=0.8%, 10=8.0%, 20=17.6%, 50=19.8%, 100=20.4% lat (msec): 250=23.4%, 500=7.1%, 750=0.6%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1353 read : io=100MiB, bw=3,869KiB/s, runt= 27098msec slat (msec): min= 0, max= 6219, avg=1091.85, stdev=1814.57 clat (msec): min= 3, max= 765, avg=90.52, stdev=83.76 bw (KiB/s) : min= 49, max= 9968, per=41.31%, avg=4506.37, stdev=2745.15 write: io=37,176KiB, bw=1,826KiB/s, runt= 20839msec slat (msec): min= 0, max= 4, avg= 0.09, stdev= 0.40 clat (msec): min= 1, max= 622, avg=124.51, stdev=106.48 bw (KiB/s) : min= 0, max= 6310, per=51.63%, avg=3161.19, stdev=2225.76 cpu : usr=3.19%, sys=0.21%, ctx=1751 IO depths : 1=0.2%, 2=0.3%, 4=11.8%, 8=87.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.4%, 10=2.5%, 20=9.7%, 50=22.6%, 100=28.8% lat (msec): 250=28.6%, 500=6.3%, 750=0.8%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1354 read : io=100MiB, bw=3,753KiB/s, runt= 27935msec slat (msec): min= 0, max= 6811, avg=1880.34, stdev=2516.48 clat (msec): min= 3, max= 535, avg=87.66, stdev=81.59 bw (KiB/s) : min= 9, max=17099, per=37.88%, avg=4132.48, stdev=3317.03 write: io=41,788KiB, bw=2,025KiB/s, runt= 21128msec slat (msec): min= 0, max= 6, avg= 0.11, stdev= 0.59 clat (msec): min= 0, max= 832, avg=108.91, stdev=116.10 bw (KiB/s) : min= 0, max= 6667, per=44.31%, avg=2712.84, stdev=2084.15 cpu : usr=3.35%, sys=0.30%, ctx=1844 IO depths : 1=0.1%, 2=0.2%, 4=14.6%, 8=85.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.5%, 10=3.4%, 20=12.0%, 50=22.7%, 100=26.0% lat (msec): 250=27.0%, 500=6.4%, 750=0.3%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,908KiB/s, minb=3,636KiB/s, maxb=3,869KiB/s, mint=27098msec, maxt=28837msec WRITE: io=128MiB, aggrb=6,123KiB/s, minb=1,826KiB/s, maxb=2,441KiB/s, mint=27098msec, maxt=28837msec Disk stats (read/write): sda: ios=4895/2158, merge=1565/551, ticks=441428/262520, in_queue=703948, util=99.40% 2.90user 0.21system 0:29.09elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2406minor)pagefaults 0swaps