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] [ 6484/ 13172 kb/s] [eta 00m:23s] Threads: 3: [mmm] [15.4% done] [ 6292/ 12656 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 17916/ 268 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 16760/ 0 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 10808/ 5528 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 8376/ 7212 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 11696/ 4936 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 8928/ 5528 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 9876/ 3696 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 13972/ 2152 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 9256/ 4500 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.3% done] [ 13028/ 196 kb/s] [eta 00m:15s] Threads: 3: [mmm] [51.7% done] [ 8196/ 3716 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.3% done] [ 6252/ 5248 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 5600/ 5236 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 5645/ 4776 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 3048/ 6671 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 6864/ 3119 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 4312/ 4466 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 7140/ 3268 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 18337/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [75.0% done] [ 17451/ 0 kb/s] [eta 00m:08s] Threads: 2: [VEV] [80.6% done] [ 18223/ 0 kb/s] [eta 00m:06s] Threads: 2: [VEV] [83.9% done] [ 17654/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=14053 read : io=100MiB, bw=3,823KiB/s, runt= 27427msec slat (msec): min= 0, max= 5962, avg=1530.04, stdev=2018.52 clat (msec): min= 0, max= 919, avg=93.35, stdev=92.26 bw (KiB/s) : min= 50, max= 8249, per=36.77%, avg=4177.81, stdev=2342.40 write: io=32,372KiB, bw=1,518KiB/s, runt= 21830msec slat (msec): min= 0, max= 5, avg= 0.03, stdev= 0.26 clat (msec): min= 0, max= 968, avg=88.55, stdev=113.50 bw (KiB/s) : min= 0, max= 6691, per=51.48%, avg=2364.91, stdev=1689.91 cpu : usr=3.21%, sys=0.19%, ctx=1844 IO depths : 1=0.1%, 2=0.2%, 4=16.0%, 8=83.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.1%, 4=0.9%, 10=5.6%, 20=15.8%, 50=21.4%, 100=20.7% lat (msec): 250=27.7%, 500=5.9%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14054 read : io=100MiB, bw=4,127KiB/s, runt= 25404msec slat (msec): min= 0, max= 5179, avg=683.84, stdev=1414.90 clat (msec): min= 1, max= 464, avg=92.58, stdev=71.90 bw (KiB/s) : min= 67, max=10688, per=38.39%, avg=4362.00, stdev=2359.78 write: io=22,396KiB, bw=1,129KiB/s, runt= 20301msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.29 clat (msec): min= 0, max= 718, avg=110.51, stdev=89.86 bw (KiB/s) : min= 0, max= 5820, per=53.72%, avg=2467.81, stdev=2233.09 cpu : usr=3.43%, sys=0.33%, ctx=1739 IO depths : 1=0.2%, 2=0.2%, 4=8.7%, 8=91.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.1%, 10=1.9%, 20=8.0%, 50=23.0%, 100=28.4% lat (msec): 250=34.0%, 500=4.3%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14055 read : io=100MiB, bw=3,787KiB/s, runt= 27687msec slat (msec): min= 0, max= 6566, avg=1798.66, stdev=2299.49 clat (msec): min= 0, max= 698, avg=82.91, stdev=79.76 bw (KiB/s) : min= 5, max=14904, per=39.35%, avg=4470.95, stdev=3141.61 write: io=43,256KiB, bw=2,027KiB/s, runt= 21845msec slat (msec): min= 0, max= 3, avg= 0.05, stdev= 0.29 clat (msec): min= 0, max= 817, avg=106.19, stdev=111.83 bw (KiB/s) : min= 0, max= 6952, per=60.62%, avg=2784.85, stdev=2184.47 cpu : usr=3.54%, sys=0.25%, ctx=1857 IO depths : 1=0.1%, 2=0.2%, 4=16.6%, 8=83.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.7%, 10=4.5%, 20=12.0%, 50=24.8%, 100=23.7% lat (msec): 250=27.4%, 500=5.3%, 750=0.7%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,361KiB/s, minb=3,787KiB/s, maxb=4,127KiB/s, mint=25404msec, maxt=27687msec WRITE: io=98,024KiB, aggrb=4,594KiB/s, minb=1,129KiB/s, maxb=2,027KiB/s, mint=25404msec, maxt=27687msec Disk stats (read/write): sda: ios=4928/1869, merge=1337/276, ticks=469024/209436, in_queue=678460, util=99.49% 2.79user 0.24system 0:28.60elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2380minor)pagefaults 0swaps