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] [8.3% done] [ 10881/ 1878 kb/s] [eta 00m:33s] Threads: 3: [mmm] [10.8% done] [ 8412/ 5253 kb/s] [eta 00m:33s] Threads: 3: [mmm] [13.9% done] [ 4564/ 8755 kb/s] [eta 00m:31s] Threads: 3: [mmm] [17.1% done] [ 6971/ 5919 kb/s] [eta 00m:29s] Threads: 3: [mmm] [20.0% done] [ 3414/ 9117 kb/s] [eta 00m:28s] Threads: 3: [mmm] [22.2% done] [ 2981/ 6273 kb/s] [eta 00m:28s] Threads: 3: [mmm] [25.0% done] [ 7522/ 3178 kb/s] [eta 00m:27s] Threads: 3: [mmm] [26.3% done] [ 6711/ 3694 kb/s] [eta 00m:28s] Threads: 3: [mmm] [28.2% done] [ 5281/ 4139 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.8% done] [ 5509/ 5246 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 6912/ 2343 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.0% done] [ 2524/ 8408 kb/s] [eta 00m:26s] Threads: 3: [mmm] [37.5% done] [ 4552/ 4470 kb/s] [eta 00m:25s] Threads: 3: [mmm] [39.0% done] [ 4966/ 4088 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.5% done] [ 4848/ 4556 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.9% done] [ 3560/ 5190 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.2% done] [ 6943/ 1981 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.7% done] [ 6403/ 1811 kb/s] [eta 00m:24s] Threads: 3: [mmm] [48.9% done] [ 3737/ 3678 kb/s] [eta 00m:23s] Threads: 3: [mmm] [50.0% done] [ 6140/ 862 kb/s] [eta 00m:23s] Threads: 3: [mmm] [52.2% done] [ 3237/ 4505 kb/s] [eta 00m:22s] Threads: 3: [mmm] [53.2% done] [ 6470/ 267 kb/s] [eta 00m:22s] Threads: 3: [mmm] [55.3% done] [ 5754/ 1370 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.2% done] [ 4257/ 3568 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.0% done] [ 5179/ 1283 kb/s] [eta 00m:22s] Threads: 3: [mmm] [56.9% done] [ 5253/ 2666 kb/s] [eta 00m:22s] Threads: 3: [mVm] [56.6% done] [ 5360/ 2485 kb/s] [eta 00m:23s] Threads: 3: [mVm] [56.4% done] [ 15107/ 953 kb/s] [eta 00m:24s] Threads: 3: [mVm] [57.1% done] [ 11665/ 1882 kb/s] [eta 00m:24s] Threads: 3: [VVm] [56.9% done] [ 14300/ 129 kb/s] [eta 00m:25s] Threads: 3: [VVm] [57.6% done] [ 16829/ 102 kb/s] [eta 00m:25s] Threads: 2: [V_m] [58.3% done] [ 19511/ 0 kb/s] [eta 00m:25s] Threads: 2: [V_m] [60.0% done] [ 18829/ 82 kb/s] [eta 00m:24s] Threads: 1: [__m] [62.7% done] [ 5446/ 3776 kb/s] [eta 00m:22s] Threads: 1: [__V] [67.9% done] [ 7254/ 0 kb/s] [eta 00m:18s] Threads: 1: [__V] [78.0% done] [ 15836/ 0 kb/s] [eta 00m:11s] fio: (groupid=0): err= 0: pid=5113 read : io=100MiB, bw=2,868KiB/s, runt= 36556msec clat (msec): min= 0, max= 143, avg=12.49, stdev=19.00 bw (KiB/s) : min= 27, max=21548, per=45.99%, avg=3561.38, stdev=4844.92 write: io=49,500KiB, bw=1,542KiB/s, runt= 32871msec clat (msec): min= 0, max= 155, avg=15.48, stdev=20.40 bw (KiB/s) : min= 0, max= 5317, per=59.58%, avg=2073.26, stdev=1621.72 cpu : usr=2.68%, sys=0.21%, ctx=2558 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=35.1%, 4=5.8%, 10=12.7%, 20=17.0%, 50=26.5%, 100=1.1% lat (msec): 250=1.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5114 read : io=100MiB, bw=3,036KiB/s, runt= 34527msec clat (msec): min= 0, max= 153, avg=13.16, stdev=18.28 bw (KiB/s) : min= 20, max=13362, per=46.87%, avg=3629.22, stdev=3476.07 write: io=47,216KiB, bw=1,607KiB/s, runt= 30070msec clat (msec): min= 0, max= 115, avg=19.21, stdev=12.75 bw (KiB/s) : min= 0, max= 5238, per=63.92%, avg=2224.25, stdev=1636.01 cpu : usr=3.22%, sys=0.24%, ctx=2196 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=18.9%, 4=8.3%, 10=18.7%, 20=22.7%, 50=28.7%, 100=1.5% lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5115 read : io=100MiB, bw=2,581KiB/s, runt= 40624msec clat (msec): min= 0, max= 235, avg=16.98, stdev=25.37 bw (KiB/s) : min= 5, max=16942, per=39.97%, avg=3094.83, stdev=3980.78 write: io=33,688KiB, bw=899KiB/s, runt= 38370msec clat (msec): min= 0, max= 242, avg=22.15, stdev=33.66 bw (KiB/s) : min= 1, max= 5544, per=45.09%, avg=1569.22, stdev=1860.15 cpu : usr=2.37%, sys=0.13%, ctx=2144 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=21.2%, 4=6.2%, 10=18.0%, 20=18.6%, 50=31.3%, 100=1.6% lat (msec): 250=3.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,743KiB/s, minb=2,581KiB/s, maxb=3,036KiB/s, mint=34527msec, maxt=40624msec WRITE: io=127MiB, aggrb=3,480KiB/s, minb=899KiB/s, maxb=1,607KiB/s, mint=34527msec, maxt=40624msec Disk stats (read/write): sda: ios=5475/2232, merge=772/442, ticks=92376/50268, in_queue=142644, util=98.60% 3.06user 0.30system 0:41.08elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1087minor)pagefaults 0swaps