fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [8.8% done] [ 10464/ 5792 kb/s] [eta 00m:31s] Threads: 3: [mmm] [11.8% done] [ 8060/ 9116 kb/s] [eta 00m:30s] Threads: 3: [mmm] [13.9% done] [ 4564/ 10208 kb/s] [eta 00m:31s] Threads: 3: [mmm] [15.8% done] [ 8384/ 6484 kb/s] [eta 00m:32s] Threads: 3: [mmm] [17.9% done] [ 7576/ 4900 kb/s] [eta 00m:32s] Threads: 3: [mmm] [19.5% done] [ 5628/ 8416 kb/s] [eta 00m:33s] Threads: 3: [mmm] [22.0% done] [ 6908/ 5612 kb/s] [eta 00m:32s] Threads: 3: [mmm] [25.0% done] [ 7008/ 6372 kb/s] [eta 00m:30s] Threads: 3: [mmm] [28.9% done] [ 7800/ 5468 kb/s] [eta 00m:27s] Threads: 3: [mmm] [30.8% done] [ 8392/ 2824 kb/s] [eta 00m:27s] Threads: 3: [mmm] [33.3% done] [ 5844/ 6788 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 6240/ 4180 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 5320/ 5556 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.0% done] [ 444/ 11864 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.5% done] [ 6592/ 1868 kb/s] [eta 00m:24s] Threads: 3: [mmm] [43.9% done] [ 3220/ 7016 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.2% done] [ 4200/ 4816 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.6% done] [ 3644/ 4972 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 4304/ 3980 kb/s] [eta 00m:22s] Threads: 3: [mmm] [50.0% done] [ 3072/ 4780 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.1% done] [ 3452/ 3016 kb/s] [eta 00m:22s] Threads: 3: [mVm] [51.1% done] [ 9420/ 2296 kb/s] [eta 00m:23s] Threads: 3: [mVm] [53.2% done] [ 12640/ 2032 kb/s] [eta 00m:22s] Threads: 3: [mVV] [53.1% done] [ 11512/ 264 kb/s] [eta 00m:23s] Threads: 3: [mVV] [54.0% done] [ 16068/ 352 kb/s] [eta 00m:23s] Threads: 2: [m_V] [53.8% done] [ 16516/ 820 kb/s] [eta 00m:24s] Threads: 2: [m_V] [54.7% done] [ 17832/ 0 kb/s] [eta 00m:24s] Threads: 1: [m__] [55.6% done] [ 12220/ 824 kb/s] [eta 00m:24s] Threads: 1: [m__] [62.0% done] [ 680/ 8924 kb/s] [eta 00m:19s] Threads: 1: [m__] [66.7% done] [ 6532/ 636 kb/s] [eta 00m:16s] Threads: 1: [V__] [81.0% done] [ 19388/ 88 kb/s] [eta 00m:08s] Threads: 1: [V__] [97.2% done] [ 25456/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=32534 read : io=100MiB, bw=2,956KiB/s, runt= 35471msec clat (msec): min= 0, max= 247, avg=11.00, stdev=24.10 bw (KiB/s) : min= 15, max=28344, per=46.35%, avg=4110.64, stdev=7018.56 write: io=55,600KiB, bw=1,729KiB/s, runt= 32914msec clat (msec): min= 0, max= 562, avg=16.69, stdev=51.04 bw (KiB/s) : min= 0, max=10649, per=50.54%, avg=2309.29, stdev=2768.28 cpu : usr=2.73%, sys=0.39%, ctx=2572 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.7%, 4=8.4%, 10=18.7%, 20=8.2%, 50=7.7%, 100=4.1% lat (msec): 250=2.8%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32535 read : io=100MiB, bw=3,735KiB/s, runt= 28070msec clat (msec): min= 0, max= 139, avg=10.18, stdev=13.31 bw (KiB/s) : min= 16, max=16735, per=47.82%, avg=4240.63, stdev=4079.64 write: io=46,204KiB, bw=2,028KiB/s, runt= 23323msec clat (msec): min= 0, max= 153, avg=10.40, stdev=22.91 bw (KiB/s) : min= 0, max= 9698, per=70.04%, avg=3200.09, stdev=2907.41 cpu : usr=3.39%, sys=0.38%, ctx=2480 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=38.1%, 4=7.2%, 10=21.7%, 20=16.7%, 50=13.2%, 100=2.3% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32536 read : io=100MiB, bw=3,414KiB/s, runt= 30712msec clat (msec): min= 0, max= 246, avg=11.96, stdev=19.51 bw (KiB/s) : min= 23, max=18132, per=45.62%, avg=4045.85, stdev=4359.45 write: io=45,076KiB, bw=1,781KiB/s, runt= 25910msec clat (msec): min= 0, max= 203, avg=11.15, stdev=23.92 bw (KiB/s) : min= 0, max= 7323, per=65.31%, avg=2983.93, stdev=2546.30 cpu : usr=3.59%, sys=0.33%, ctx=2450 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=39.4%, 4=6.2%, 10=19.8%, 20=16.7%, 50=12.9%, 100=3.4% lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,868KiB/s, minb=2,956KiB/s, maxb=3,735KiB/s, mint=28070msec, maxt=35471msec WRITE: io=143MiB, aggrb=4,569KiB/s, minb=1,729KiB/s, maxb=2,028KiB/s, mint=28070msec, maxt=35471msec Disk stats (read/write): sda: ios=5635/2966, merge=753/221, ticks=72800/57848, in_queue=130648, util=98.48% 3.03user 0.49system 0:35.76elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1083minor)pagefaults 0swaps