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] [9.1% done] [ 8084/ 5996 kb/s] [eta 00m:30s] Threads: 3: [mmm] [11.4% done] [ 7588/ 4952 kb/s] [eta 00m:31s] Threads: 3: [mmm] [14.7% done] [ 12976/ 444 kb/s] [eta 00m:29s] Threads: 3: [mmm] [17.1% done] [ 5620/ 7616 kb/s] [eta 00m:29s] Threads: 3: [mmm] [19.4% done] [ 6864/ 4880 kb/s] [eta 00m:29s] Threads: 3: [mmm] [22.2% done] [ 2708/ 8552 kb/s] [eta 00m:28s] Threads: 3: [mmm] [24.3% done] [ 3288/ 9180 kb/s] [eta 00m:28s] Threads: 3: [mmm] [26.3% done] [ 8344/ 2580 kb/s] [eta 00m:28s] Threads: 3: [mmm] [28.2% done] [ 6300/ 2424 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.0% done] [ 5564/ 5392 kb/s] [eta 00m:28s] Threads: 3: [mmm] [32.5% done] [ 5312/ 4296 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.0% done] [ 2996/ 8140 kb/s] [eta 00m:26s] Threads: 3: [mmm] [37.5% done] [ 7028/ 1736 kb/s] [eta 00m:25s] Threads: 3: [mmm] [39.0% done] [ 6924/ 2316 kb/s] [eta 00m:25s] Threads: 3: [mmm] [40.5% done] [ 7532/ 1260 kb/s] [eta 00m:25s] Threads: 3: [mmm] [42.9% done] [ 6648/ 1780 kb/s] [eta 00m:24s] Threads: 3: [mmm] [44.2% done] [ 7528/ 24 kb/s] [eta 00m:24s] Threads: 3: [mmm] [46.5% done] [ 4972/ 3452 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.7% done] [ 2004/ 6096 kb/s] [eta 00m:23s] Threads: 3: [mmm] [50.0% done] [ 3328/ 4432 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.1% done] [ 4056/ 2788 kb/s] [eta 00m:22s] Threads: 3: [mmm] [53.3% done] [ 0/ 8496 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.6% done] [ 3312/ 2140 kb/s] [eta 00m:20s] Threads: 3: [mmm] [57.8% done] [ 4328/ 3384 kb/s] [eta 00m:19s] Threads: 3: [mmm] [57.4% done] [ 3036/ 3904 kb/s] [eta 00m:20s] Threads: 3: [mmm] [59.6% done] [ 4272/ 2356 kb/s] [eta 00m:19s] Threads: 3: [mmm] [60.4% done] [ 4816/ 1960 kb/s] [eta 00m:19s] Threads: 3: [mmm] [60.0% done] [ 3356/ 4220 kb/s] [eta 00m:20s] Threads: 3: [Vmm] [60.8% done] [ 8852/ 2248 kb/s] [eta 00m:20s] Threads: 3: [VVm] [60.4% done] [ 13852/ 0 kb/s] [eta 00m:21s] Threads: 3: [VVm] [60.7% done] [ 20828/ 0 kb/s] [eta 00m:22s] Threads: 3: [VVm] [60.3% done] [ 19221/ 10 kb/s] [eta 00m:23s] Threads: 3: [VVm] [61.0% done] [ 18128/ 172 kb/s] [eta 00m:23s] Threads: 2: [EVm] [61.7% done] [ 17160/ 4 kb/s] [eta 00m:23s] Threads: 1: [__m] [65.5% done] [ 3016/ 6564 kb/s] [eta 00m:20s] Threads: 1: [__V] [73.6% done] [ 11024/ 0 kb/s] [eta 00m:14s] Threads: 1: [__V] [85.1% done] [ 16974/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=10236 read : io=100MiB, bw=2,902KiB/s, runt= 36131msec clat (msec): min= 0, max= 169, avg=11.95, stdev=19.56 bw (KiB/s) : min= 7, max=11537, per=48.75%, avg=3754.49, stdev=3425.81 write: io=49,396KiB, bw=1,638KiB/s, runt= 30862msec clat (msec): min= 0, max= 123, avg=14.13, stdev=15.41 bw (KiB/s) : min= 0, max= 5812, per=62.70%, avg=2270.43, stdev=1772.14 cpu : usr=2.86%, sys=0.23%, ctx=2662 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=36.7%, 4=5.6%, 10=13.0%, 20=17.0%, 50=25.3%, 100=0.9% lat (msec): 250=1.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=10237 read : io=100MiB, bw=2,810KiB/s, runt= 37306msec clat (msec): min= 0, max= 189, avg=14.23, stdev=21.51 bw (KiB/s) : min= 7, max=14816, per=42.32%, avg=3259.38, stdev=3518.13 write: io=49,816KiB, bw=1,587KiB/s, runt= 32125msec clat (msec): min= 0, max= 203, avg=16.48, stdev=16.34 bw (KiB/s) : min= 0, max= 7483, per=66.53%, avg=2409.15, stdev=1988.62 cpu : usr=2.78%, sys=0.24%, ctx=2357 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=26.9%, 4=6.8%, 10=16.1%, 20=18.1%, 50=28.9%, 100=1.3% lat (msec): 250=1.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=10238 read : io=100MiB, bw=2,567KiB/s, runt= 40840msec clat (msec): min= 0, max= 243, avg=17.49, stdev=27.99 bw (KiB/s) : min= 10, max=19065, per=38.60%, avg=2973.32, stdev=3943.80 write: io=37,100KiB, bw=985KiB/s, runt= 38544msec clat (msec): min= 0, max= 224, avg=16.57, stdev=27.24 bw (KiB/s) : min= 0, max= 6759, per=43.00%, avg=1556.92, stdev=1830.51 cpu : usr=2.06%, sys=0.20%, ctx=2259 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=29.2%, 4=5.8%, 10=13.1%, 20=16.3%, 50=31.0%, 100=1.9% 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=7,702KiB/s, minb=2,567KiB/s, maxb=2,902KiB/s, mint=36131msec, maxt=40840msec WRITE: io=133MiB, aggrb=3,621KiB/s, minb=985KiB/s, maxb=1,638KiB/s, mint=36131msec, maxt=40840msec Disk stats (read/write): sda: ios=5546/2560, merge=914/437, ticks=97748/48580, in_queue=146324, util=96.89% 2.95user 0.33system 0:42.36elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1102minor)pagefaults 0swaps