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] [7.9% done] [ 9743/ 3032 kb/s] [eta 00m:35s] Threads: 3: [mmm] [10.5% done] [ 5990/ 8022 kb/s] [eta 00m:34s] Threads: 3: [mmm] [13.9% done] [ 5923/ 6860 kb/s] [eta 00m:31s] Threads: 3: [mmm] [16.7% done] [ 7148/ 5435 kb/s] [eta 00m:30s] Threads: 3: [mmm] [19.4% done] [ 9739/ 2402 kb/s] [eta 00m:29s] Threads: 3: [mmm] [22.2% done] [ 7412/ 4773 kb/s] [eta 00m:28s] Threads: 3: [mmm] [25.0% done] [ 7447/ 3091 kb/s] [eta 00m:27s] Threads: 3: [mmm] [27.0% done] [ 7731/ 2788 kb/s] [eta 00m:27s] Threads: 3: [mmm] [28.9% done] [ 6045/ 3603 kb/s] [eta 00m:27s] Threads: 3: [mmm] [31.6% done] [ 8054/ 1012 kb/s] [eta 00m:26s] Threads: 3: [mmm] [33.3% done] [ 5462/ 4572 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 7829/ 1658 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 6502/ 2477 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.0% done] [ 4572/ 4450 kb/s] [eta 00m:24s] Threads: 3: [mmm] [41.5% done] [ 3993/ 5151 kb/s] [eta 00m:24s] Threads: 3: [mmm] [43.9% done] [ 5769/ 2989 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.2% done] [ 6852/ 2095 kb/s] [eta 00m:23s] Threads: 3: [mmm] [46.7% done] [ 6309/ 1043 kb/s] [eta 00m:24s] Threads: 3: [mmm] [48.9% done] [ 3245/ 4241 kb/s] [eta 00m:23s] Threads: 3: [mmm] [51.1% done] [ 5281/ 2906 kb/s] [eta 00m:22s] Threads: 3: [mmm] [52.2% done] [ 1969/ 5183 kb/s] [eta 00m:22s] Threads: 3: [mmm] [54.3% done] [ 4986/ 1862 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.2% done] [ 6463/ 31 kb/s] [eta 00m:22s] Threads: 3: [mmm] [55.1% done] [ 7085/ 70 kb/s] [eta 00m:22s] Threads: 3: [mmm] [54.9% done] [ 4485/ 2536 kb/s] [eta 00m:23s] Threads: 3: [Vmm] [55.8% done] [ 14288/ 405 kb/s] [eta 00m:23s] Threads: 3: [Vmm] [55.6% done] [ 14296/ 0 kb/s] [eta 00m:24s] Threads: 2: [_mm] [57.4% done] [ 8227/ 618 kb/s] [eta 00m:23s] Threads: 2: [_mm] [59.3% done] [ 2839/ 4655 kb/s] [eta 00m:22s] Threads: 2: [_mm] [62.3% done] [ 4036/ 3119 kb/s] [eta 00m:20s] Threads: 2: [_Vm] [61.8% done] [ 3060/ 4852 kb/s] [eta 00m:21s] Threads: 2: [_Vm] [62.5% done] [ 14343/ 246 kb/s] [eta 00m:21s] Threads: 2: [_Vm] [63.2% done] [ 12008/ 149 kb/s] [eta 00m:21s] Threads: 1: [__m] [66.1% done] [ 10661/ 1327 kb/s] [eta 00m:19s] Threads: 1: [__V] [74.5% done] [ 12500/ 0 kb/s] [eta 00m:13s] Threads: 1: [__V] [84.8% done] [ 16285/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=16995 read : io=100MiB, bw=3,418KiB/s, runt= 30673msec clat (msec): min= 0, max= 132, avg=13.33, stdev=12.95 bw (KiB/s) : min= 19, max=16179, per=47.70%, avg=3692.35, stdev=3383.72 write: io=32,652KiB, bw=1,188KiB/s, runt= 28141msec clat (msec): min= 0, max= 69, avg=15.80, stdev=12.17 bw (KiB/s) : min= 0, max= 6710, per=76.41%, avg=2297.00, stdev=2311.93 cpu : usr=3.25%, sys=0.29%, ctx=2079 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=20.2%, 4=7.1%, 10=18.7%, 20=20.0%, 50=33.0%, 100=0.8% lat (msec): 250=0.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16996 read : io=100MiB, bw=2,825KiB/s, runt= 37110msec clat (msec): min= 0, max= 201, avg=14.68, stdev=18.32 bw (KiB/s) : min= 7, max=17322, per=39.81%, avg=3081.73, stdev=3613.81 write: io=35,460KiB, bw=1,057KiB/s, runt= 34339msec clat (msec): min= 0, max= 125, avg=14.89, stdev=18.87 bw (KiB/s) : min= 0, max= 7533, per=62.87%, avg=1889.80, stdev=2048.18 cpu : usr=2.50%, sys=0.24%, ctx=2387 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=25.7%, 4=5.2%, 10=16.1%, 20=21.4%, 50=28.8%, 100=1.4% lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16997 read : io=100MiB, bw=2,580KiB/s, runt= 40636msec clat (msec): min= 0, max= 204, avg=15.18, stdev=22.12 bw (KiB/s) : min= 12, max=21626, per=39.64%, avg=3068.66, stdev=4550.73 write: io=43,268KiB, bw=1,168KiB/s, runt= 37932msec clat (msec): min= 0, max= 130, avg=17.63, stdev=20.78 bw (KiB/s) : min= 0, max= 5946, per=71.30%, avg=2143.26, stdev=2023.05 cpu : usr=2.65%, sys=0.28%, ctx=2428 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=24.9%, 4=6.9%, 10=14.6%, 20=22.7%, 50=26.5%, 100=1.6% lat (msec): 250=2.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,741KiB/s, minb=2,580KiB/s, maxb=3,418KiB/s, mint=30673msec, maxt=40636msec WRITE: io=109MiB, aggrb=3,006KiB/s, minb=1,057KiB/s, maxb=1,188KiB/s, mint=30673msec, maxt=40636msec Disk stats (read/write): sda: ios=5609/2067, merge=835/383, ticks=90900/40284, in_queue=131184, util=98.28% 3.00user 0.36system 0:41.31elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1086minor)pagefaults 0swaps