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] [7.5% done] [ 2444/ 14020 kb/s] [eta 00m:37s] Threads: 3: [mmm] [9.8% done] [ 9600/ 5716 kb/s] [eta 00m:37s] Threads: 3: [mmm] [13.5% done] [ 3844/ 12340 kb/s] [eta 00m:32s] Threads: 3: [mmm] [15.8% done] [ 6796/ 7380 kb/s] [eta 00m:32s] Threads: 3: [mmm] [17.9% done] [ 5072/ 7112 kb/s] [eta 00m:32s] Threads: 3: [mmm] [20.5% done] [ 8012/ 4480 kb/s] [eta 00m:31s] Threads: 3: [mmm] [23.7% done] [ 9844/ 3616 kb/s] [eta 00m:29s] Threads: 3: [mmm] [25.6% done] [ 6768/ 5092 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.9% done] [ 4636/ 8244 kb/s] [eta 00m:27s] Threads: 3: [mmm] [30.8% done] [ 5892/ 6396 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 4848/ 6764 kb/s] [eta 00m:27s] Threads: 3: [mmm] [36.8% done] [ 6028/ 6076 kb/s] [eta 00m:24s] Threads: 3: [mmm] [38.5% done] [ 6120/ 4596 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.0% done] [ 4208/ 7524 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.6% done] [ 5908/ 3908 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.2% done] [ 1040/ 9148 kb/s] [eta 00m:21s] Threads: 3: [mmm] [48.7% done] [ 3696/ 5592 kb/s] [eta 00m:20s] Threads: 3: [mmm] [51.3% done] [ 2644/ 5892 kb/s] [eta 00m:19s] Threads: 3: [mmm] [52.5% done] [ 4564/ 3200 kb/s] [eta 00m:19s] Threads: 3: [mmm] [53.7% done] [ 3296/ 4468 kb/s] [eta 00m:19s] Threads: 3: [mmm] [54.8% done] [ 5164/ 1248 kb/s] [eta 00m:19s] Threads: 3: [mmm] [55.8% done] [ 4984/ 1908 kb/s] [eta 00m:19s] Threads: 3: [mmV] [58.1% done] [ 5448/ 2140 kb/s] [eta 00m:18s] Threads: 3: [mmV] [59.1% done] [ 12376/ 1700 kb/s] [eta 00m:18s] Threads: 3: [mVV] [58.7% done] [ 12900/ 420 kb/s] [eta 00m:19s] Threads: 3: [mVV] [59.6% done] [ 20668/ 0 kb/s] [eta 00m:19s] Threads: 3: [mVV] [59.2% done] [ 16988/ 0 kb/s] [eta 00m:20s] Threads: 2: [mV_] [58.8% done] [ 15436/ 0 kb/s] [eta 00m:21s] Threads: 1: [mE_] [59.6% done] [ 15452/ 0 kb/s] [eta 00m:21s] Threads: 1: [m__] [65.3% done] [ 2876/ 5888 kb/s] [eta 00m:17s] Threads: 1: [V__] [75.6% done] [ 11496/ 2660 kb/s] [eta 00m:11s] Threads: 1: [V__] [89.7% done] [ 23740/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=1262 read : io=100MiB, bw=2,918KiB/s, runt= 35925msec clat (msec): min= 0, max= 338, avg=11.62, stdev=28.14 bw (KiB/s) : min= 2, max=27852, per=44.66%, avg=3910.49, stdev=7209.93 write: io=62,084KiB, bw=1,906KiB/s, runt= 33341msec clat (msec): min= 0, max= 728, avg=12.93, stdev=45.52 bw (KiB/s) : min= 0, max= 9879, per=60.13%, avg=2868.18, stdev=2881.48 cpu : usr=2.86%, sys=0.27%, ctx=2789 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=54.7%, 4=7.4%, 10=14.6%, 20=8.8%, 50=8.2%, 100=3.2% lat (msec): 250=2.6%, 500=0.3%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1263 read : io=100MiB, bw=3,298KiB/s, runt= 31786msec clat (msec): min= 0, max= 197, avg=12.52, stdev=18.27 bw (KiB/s) : min= 20, max=15378, per=41.54%, avg=3637.43, stdev=3177.79 write: io=39,688KiB, bw=1,521KiB/s, runt= 26712msec clat (msec): min= 0, max= 374, avg=12.72, stdev=33.22 bw (KiB/s) : min= 0, max= 6432, per=58.74%, avg=2801.92, stdev=2520.58 cpu : usr=2.83%, sys=0.34%, ctx=2367 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=34.0%, 4=6.6%, 10=21.6%, 20=20.1%, 50=12.8%, 100=3.2% lat (msec): 250=1.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1264 read : io=100MiB, bw=3,422KiB/s, runt= 30635msec clat (msec): min= 0, max= 144, avg=10.79, stdev=17.91 bw (KiB/s) : min= 6, max=17917, per=47.78%, avg=4183.74, stdev=4163.21 write: io=53,560KiB, bw=2,254KiB/s, runt= 24329msec clat (msec): min= 0, max= 192, avg=11.01, stdev=25.37 bw (KiB/s) : min= 0, max=10088, per=68.40%, avg=3262.60, stdev=2880.15 cpu : usr=3.24%, sys=0.29%, ctx=2577 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=44.5%, 4=6.2%, 10=18.3%, 20=15.4%, 50=10.3%, 100=3.7% lat (msec): 250=1.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,756KiB/s, minb=2,918KiB/s, maxb=3,422KiB/s, mint=30635msec, maxt=35925msec WRITE: io=152MiB, aggrb=4,770KiB/s, minb=1,521KiB/s, maxb=2,254KiB/s, mint=30635msec, maxt=35925msec Disk stats (read/write): sda: ios=5669/3101, merge=655/165, ticks=73540/66304, in_queue=139844, util=98.38% 2.92user 0.40system 0:36.25elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1082minor)pagefaults 0swaps