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] [7.7% done] [ 16308/ 2760 kb/s] [eta 00m:36s] Threads: 3: [mmm] [13.3% done] [ 14860/ 5240 kb/s] [eta 00m:26s] Threads: 3: [mmm] [18.5% done] [ 17084/ 4632 kb/s] [eta 00m:22s] Threads: 3: [mmm] [23.1% done] [ 11052/ 6224 kb/s] [eta 00m:20s] Threads: 3: [mmm] [29.2% done] [ 15820/ 2820 kb/s] [eta 00m:17s] Threads: 3: [mmm] [32.0% done] [ 12624/ 4688 kb/s] [eta 00m:17s] Threads: 3: [mmm] [36.0% done] [ 10416/ 7708 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.0% done] [ 8232/ 7112 kb/s] [eta 00m:15s] Threads: 3: [mmm] [42.3% done] [ 11664/ 3280 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.2% done] [ 7032/ 7104 kb/s] [eta 00m:14s] Threads: 3: [mmm] [48.1% done] [ 7816/ 6592 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 7616/ 4564 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 13216/ 0 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 8392/ 3620 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 9524/ 1776 kb/s] [eta 00m:13s] Threads: 3: [mVm] [58.1% done] [ 12348/ 804 kb/s] [eta 00m:13s] Threads: 3: [mVm] [59.4% done] [ 15508/ 476 kb/s] [eta 00m:13s] Threads: 2: [m_V] [60.6% done] [ 14360/ 264 kb/s] [eta 00m:13s] Threads: 2: [m_V] [61.8% done] [ 16280/ 0 kb/s] [eta 00m:13s] Threads: 2: [m_V] [64.7% done] [ 15976/ 0 kb/s] [eta 00m:12s] Threads: 1: [V__] [71.9% done] [ 15220/ 0 kb/s] [eta 00m:09s] Threads: 1: [V__] [85.7% done] [ 21816/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=3577 read : io=100MiB, bw=4,279KiB/s, runt= 24504msec slat (msec): min= 0, max= 1447, avg=168.26, stdev=366.69 clat (msec): min= 1, max= 857, avg=93.12, stdev=152.03 bw (KiB/s) : min= 209, max=21146, per=35.74%, avg=4588.37, stdev=5296.28 write: io=30,216KiB, bw=1,342KiB/s, runt= 23043msec slat (msec): min= 0, max= 2, avg= 0.01, stdev= 0.13 clat (msec): min= 0, max= 881, avg=115.75, stdev=214.13 bw (KiB/s) : min= 0, max=15335, per=79.96%, avg=3060.13, stdev=4403.18 cpu : usr=3.36%, sys=0.15%, ctx=1874 IO depths : 1=0.2%, 2=0.2%, 4=1.8%, 8=97.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=6.7%, 4=1.7%, 10=11.4%, 20=20.1%, 50=22.8%, 100=10.6% lat (msec): 250=15.9%, 500=6.3%, 750=2.1%, 1000=2.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=3578 read : io=100MiB, bw=5,242KiB/s, runt= 20001msec slat (msec): min= 0, max= 2316, avg=192.90, stdev=503.11 clat (msec): min= 0, max= 1012, avg=78.96, stdev=113.70 bw (KiB/s) : min= 184, max=13955, per=41.98%, avg=5389.17, stdev=3423.09 write: io=20,764KiB, bw=1,199KiB/s, runt= 17722msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1190, avg=109.89, stdev=170.44 bw (KiB/s) : min= 0, max= 9633, per=81.66%, avg=3125.00, stdev=3457.19 cpu : usr=4.30%, sys=0.36%, ctx=1781 IO depths : 1=0.2%, 2=0.3%, 4=2.0%, 8=97.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.5%, 4=0.7%, 10=10.7%, 20=16.6%, 50=26.0%, 100=17.7% lat (msec): 250=18.1%, 500=6.0%, 750=1.0%, 1000=0.4%, >=2000=0.2% fio: (groupid=0): err= 0: pid=3579 read : io=100MiB, bw=4,571KiB/s, runt= 22937msec slat (msec): min= 0, max= 3434, avg=585.92, stdev=950.79 clat (msec): min= 2, max= 841, avg=73.34, stdev=99.90 bw (KiB/s) : min= 47, max=14042, per=41.24%, avg=5293.54, stdev=3897.71 write: io=35,160KiB, bw=1,840KiB/s, runt= 19566msec slat (msec): min= 0, max= 810, avg= 1.51, stdev=34.14 clat (msec): min= 0, max= 1054, avg=98.96, stdev=167.39 bw (KiB/s) : min= 0, max=11535, per=80.01%, avg=3062.14, stdev=3240.50 cpu : usr=4.13%, sys=0.52%, ctx=2030 IO depths : 1=0.1%, 2=0.3%, 4=4.4%, 8=95.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=6.3%, 4=1.3%, 10=8.6%, 20=17.5%, 50=23.9%, 100=16.9% lat (msec): 250=19.1%, 500=4.5%, 750=1.1%, 1000=0.5%, >=2000=0.1% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,837KiB/s, minb=4,279KiB/s, maxb=5,242KiB/s, mint=20001msec, maxt=24504msec WRITE: io=86,140KiB, aggrb=3,827KiB/s, minb=1,199KiB/s, maxb=1,840KiB/s, mint=20001msec, maxt=24504msec Disk stats (read/write): sda: ios=5381/1496, merge=899/175, ticks=425412/152800, in_queue=578208, util=98.95% 2.69user 0.36system 0:24.88elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2369minor)pagefaults 0swaps