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] [ 7532/ 5280 kb/s] [eta 00m:33s] Threads: 3: [mmm] [11.8% done] [ 10068/ 2460 kb/s] [eta 00m:30s] Threads: 3: [mmm] [13.9% done] [ 10148/ 2452 kb/s] [eta 00m:31s] Threads: 3: [mmm] [17.1% done] [ 10376/ 2804 kb/s] [eta 00m:29s] Threads: 3: [mmm] [19.4% done] [ 8348/ 4832 kb/s] [eta 00m:29s] Threads: 3: [mmm] [22.2% done] [ 6208/ 4916 kb/s] [eta 00m:28s] Threads: 3: [mmm] [25.0% done] [ 5292/ 6584 kb/s] [eta 00m:27s] Threads: 3: [mmm] [27.0% done] [ 5300/ 5152 kb/s] [eta 00m:27s] Threads: 3: [mmm] [28.9% done] [ 8116/ 2308 kb/s] [eta 00m:27s] Threads: 3: [mmm] [30.8% done] [ 7588/ 1556 kb/s] [eta 00m:27s] Threads: 3: [mmm] [32.5% done] [ 6772/ 1544 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.0% done] [ 10544/ 168 kb/s] [eta 00m:26s] Threads: 3: [mmm] [38.5% done] [ 4804/ 6396 kb/s] [eta 00m:24s] Threads: 3: [mmm] [40.0% done] [ 4284/ 5072 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.5% done] [ 3308/ 6748 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.0% done] [ 2388/ 7732 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.3% done] [ 4828/ 3148 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.6% done] [ 4120/ 2788 kb/s] [eta 00m:22s] Threads: 3: [mmm] [50.0% done] [ 2280/ 6388 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 3208/ 4276 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 5804/ 388 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 5668/ 1196 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.3% done] [ 2612/ 4944 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.3% done] [ 1568/ 6628 kb/s] [eta 00m:21s] Threads: 3: [mmm] [56.2% done] [ 6156/ 564 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [57.1% done] [ 6496/ 1000 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [56.9% done] [ 13304/ 144 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [57.7% done] [ 18980/ 100 kb/s] [eta 00m:22s] Threads: 2: [_mm] [57.4% done] [ 9928/ 3236 kb/s] [eta 00m:23s] Threads: 2: [_mm] [59.3% done] [ 1856/ 5628 kb/s] [eta 00m:22s] Threads: 2: [_mm] [61.8% done] [ 5016/ 1908 kb/s] [eta 00m:21s] Threads: 2: [_mV] [66.0% done] [ 1460/ 5944 kb/s] [eta 00m:18s] Threads: 2: [_VV] [66.7% done] [ 13000/ 0 kb/s] [eta 00m:18s] Threads: 2: [_VV] [72.5% done] [ 16320/ 0 kb/s] [eta 00m:14s] Threads: 2: [_VV] [77.6% done] [ 18524/ 0 kb/s] [eta 00m:11s] Threads: 2: [_VV] [81.2% done] [ 14852/ 0 kb/s] [eta 00m:09s] Threads: 1: [_V_] [88.9% done] [ 16036/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=11612 read : io=100MiB, bw=3,322KiB/s, runt= 31560msec clat (msec): min= 0, max= 136, avg=12.54, stdev=14.83 bw (KiB/s) : min= 102, max=17983, per=53.16%, avg=4149.82, stdev=4201.73 write: io=41,940KiB, bw=1,500KiB/s, runt= 28613msec clat (msec): min= 0, max= 54, avg=13.96, stdev=11.40 bw (KiB/s) : min= 0, max= 5994, per=82.86%, avg=2920.88, stdev=2214.57 cpu : usr=2.70%, sys=0.27%, ctx=2293 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=28.3%, 4=7.4%, 10=14.5%, 20=18.1%, 50=30.5%, 100=0.8% lat (msec): 250=0.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11613 read : io=100MiB, bw=2,602KiB/s, runt= 40295msec clat (msec): min= 0, max= 194, avg=15.93, stdev=20.99 bw (KiB/s) : min= 21, max=14124, per=42.37%, avg=3307.47, stdev=2782.87 write: io=37,392KiB, bw=1,073KiB/s, runt= 35665msec clat (msec): min= 0, max= 149, avg=17.24, stdev=23.88 bw (KiB/s) : min= 0, max= 5596, per=53.31%, avg=1879.28, stdev=1810.90 cpu : usr=2.12%, sys=0.18%, ctx=2345 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=27.9%, 4=6.0%, 10=13.6%, 20=17.1%, 50=31.0%, 100=1.5% lat (msec): 250=2.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11614 read : io=100MiB, bw=2,639KiB/s, runt= 39724msec clat (msec): min= 0, max= 198, avg=15.79, stdev=22.60 bw (KiB/s) : min= 13, max=15358, per=39.52%, avg=3084.89, stdev=3131.10 write: io=43,448KiB, bw=1,289KiB/s, runt= 34515msec clat (msec): min= 0, max= 152, avg=16.45, stdev=18.79 bw (KiB/s) : min= 0, max= 5496, per=53.57%, avg=1888.36, stdev=1739.34 cpu : usr=2.39%, sys=0.16%, ctx=2360 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=27.4%, 4=5.2%, 10=14.1%, 20=20.6%, 50=28.4%, 100=1.6% lat (msec): 250=2.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,806KiB/s, minb=2,602KiB/s, maxb=3,322KiB/s, mint=31560msec, maxt=40295msec WRITE: io=120MiB, aggrb=3,525KiB/s, minb=1,073KiB/s, maxb=1,500KiB/s, mint=31560msec, maxt=40295msec Disk stats (read/write): sda: ios=5446/2319, merge=911/468, ticks=93140/41292, in_queue=134432, util=99.22% 2.65user 0.37system 0:40.70elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1097minor)pagefaults 0swaps