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] [ 9544/ 11376 kb/s] [eta 00m:27s] Threads: 3: [mmm] [14.3% done] [ 14604/ 6392 kb/s] [eta 00m:24s] Threads: 3: [mmm] [18.5% done] [ 11792/ 7364 kb/s] [eta 00m:22s] Threads: 3: [mmm] [20.0% done] [ 13112/ 4468 kb/s] [eta 00m:24s] Threads: 3: [mmm] [21.9% done] [ 9060/ 6640 kb/s] [eta 00m:25s] Threads: 3: [mmm] [25.8% done] [ 14532/ 3348 kb/s] [eta 00m:23s] Threads: 3: [mmm] [28.1% done] [ 7000/ 8716 kb/s] [eta 00m:23s] Threads: 3: [mmm] [30.3% done] [ 12092/ 4432 kb/s] [eta 00m:23s] Threads: 3: [mmm] [32.4% done] [ 6148/ 8080 kb/s] [eta 00m:23s] Threads: 3: [mmm] [34.3% done] [ 9628/ 4852 kb/s] [eta 00m:23s] Threads: 3: [mmm] [37.1% done] [ 8064/ 4896 kb/s] [eta 00m:22s] Threads: 3: [mmm] [41.2% done] [ 11372/ 1736 kb/s] [eta 00m:20s] Threads: 3: [mmm] [42.9% done] [ 10616/ 1876 kb/s] [eta 00m:20s] Threads: 3: [mmV] [44.4% done] [ 10984/ 1696 kb/s] [eta 00m:20s] Threads: 3: [mmV] [44.7% done] [ 12780/ 3752 kb/s] [eta 00m:21s] Threads: 3: [mmV] [46.2% done] [ 14052/ 572 kb/s] [eta 00m:21s] Threads: 3: [mVV] [46.3% done] [ 14764/ 52 kb/s] [eta 00m:22s] Threads: 2: [mVE] [47.6% done] [ 17092/ 1232 kb/s] [eta 00m:22s] Threads: 2: [mV_] [48.8% done] [ 16184/ 640 kb/s] [eta 00m:22s] Threads: 1: [m__] [57.9% done] [ 12296/ 2788 kb/s] [eta 00m:16s] Threads: 1: [m__] [65.7% done] [ 4824/ 5900 kb/s] [eta 00m:12s] Threads: 1: [V__] [75.0% done] [ 12556/ 3188 kb/s] [eta 00m:08s] Threads: 1: [V__] [89.3% done] [ 19232/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=11196 read : io=100MiB, bw=4,057KiB/s, runt= 25845msec slat (msec): min= 0, max= 2182, avg=502.29, stdev=698.53 clat (msec): min= 0, max= 1439, avg=86.27, stdev=171.53 bw (KiB/s) : min= 55, max=21022, per=39.37%, avg=4791.25, stdev=5941.30 write: io=38,500KiB, bw=1,657KiB/s, runt= 23782msec slat (msec): min= 0, max= 2, avg= 0.01, stdev= 0.12 clat (msec): min= 0, max= 942, avg=91.00, stdev=187.80 bw (KiB/s) : min= 0, max=12734, per=55.61%, avg=2514.31, stdev=3344.46 cpu : usr=3.56%, sys=0.36%, ctx=2067 IO depths : 1=0.1%, 2=0.2%, 4=3.2%, 8=96.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=11.3%, 4=3.0%, 10=12.4%, 20=23.7%, 50=21.3%, 100=9.9% lat (msec): 250=7.5%, 500=5.5%, 750=3.0%, 1000=2.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11197 read : io=100MiB, bw=4,844KiB/s, runt= 21643msec slat (msec): min= 0, max= 2409, avg=385.79, stdev=694.53 clat (msec): min= 1, max= 815, avg=70.37, stdev=94.04 bw (KiB/s) : min= 68, max=17553, per=42.81%, avg=5210.24, stdev=4251.01 write: io=29,716KiB, bw=1,598KiB/s, runt= 19035msec slat (msec): min= 0, max= 2, avg= 0.01, stdev= 0.11 clat (msec): min= 0, max= 881, avg=109.04, stdev=170.29 bw (KiB/s) : min= 0, max= 6381, per=48.52%, avg=2193.79, stdev=2179.55 cpu : usr=3.81%, sys=0.44%, ctx=2018 IO depths : 1=0.1%, 2=0.2%, 4=1.7%, 8=98.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=5.3%, 4=1.6%, 10=10.2%, 20=17.0%, 50=25.0%, 100=16.1% lat (msec): 250=17.3%, 500=5.8%, 750=1.2%, 1000=0.5%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11198 read : io=100MiB, bw=5,163KiB/s, runt= 20306msec slat (msec): min= 0, max= 3834, avg=668.55, stdev=1118.08 clat (msec): min= 1, max= 996, avg=70.50, stdev=101.64 bw (KiB/s) : min= 136, max=17108, per=48.11%, avg=5854.91, stdev=3903.53 write: io=36,788KiB, bw=2,365KiB/s, runt= 15926msec slat (msec): min= 0, max= 2, avg= 0.01, stdev= 0.10 clat (msec): min= 0, max= 824, avg=79.49, stdev=145.32 bw (KiB/s) : min= 0, max= 9783, per=84.03%, avg=3798.83, stdev=3398.87 cpu : usr=4.06%, sys=0.45%, ctx=2029 IO depths : 1=0.1%, 2=0.3%, 4=2.9%, 8=96.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=10.6%, 4=1.6%, 10=9.2%, 20=16.1%, 50=24.9%, 100=14.9% lat (msec): 250=16.5%, 500=4.8%, 750=0.8%, 1000=0.6%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,171KiB/s, minb=4,057KiB/s, maxb=5,163KiB/s, mint=20306msec, maxt=25845msec WRITE: io=103MiB, aggrb=4,521KiB/s, minb=1,598KiB/s, maxb=2,365KiB/s, mint=20306msec, maxt=25845msec Disk stats (read/write): sda: ios=5458/2010, merge=1013/271, ticks=398300/174712, in_queue=573012, util=98.25% 2.62user 0.34system 0:26.45elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2389minor)pagefaults 0swaps