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] [9.4% done] [ 12072/ 5278 kb/s] [eta 00m:29s] Threads: 3: [mmm] [11.8% done] [ 11284/ 3051 kb/s] [eta 00m:30s] Threads: 3: [mmm] [14.3% done] [ 12734/ 3328 kb/s] [eta 00m:30s] Threads: 3: [mmm] [17.6% done] [ 4555/ 9240 kb/s] [eta 00m:28s] Threads: 3: [mmm] [21.9% done] [ 7525/ 7192 kb/s] [eta 00m:25s] Threads: 3: [mmm] [24.2% done] [ 13901/ 0 kb/s] [eta 00m:25s] Threads: 3: [mmm] [25.0% done] [ 9061/ 2344 kb/s] [eta 00m:27s] Threads: 3: [mmm] [27.8% done] [ 6891/ 7029 kb/s] [eta 00m:26s] Threads: 3: [mmm] [29.7% done] [ 7996/ 3982 kb/s] [eta 00m:26s] Threads: 3: [mmm] [32.4% done] [ 2978/ 9537 kb/s] [eta 00m:25s] Threads: 3: [mmm] [35.1% done] [ 9780/ 1214 kb/s] [eta 00m:24s] Threads: 3: [mmm] [37.8% done] [ 9207/ 2316 kb/s] [eta 00m:23s] Threads: 3: [mmm] [39.5% done] [ 7224/ 3772 kb/s] [eta 00m:23s] Threads: 3: [mmm] [42.1% done] [ 5668/ 5092 kb/s] [eta 00m:22s] Threads: 3: [mmm] [43.6% done] [ 5560/ 6380 kb/s] [eta 00m:22s] Threads: 3: [mmm] [45.0% done] [ 5924/ 2612 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.7% done] [ 4684/ 4692 kb/s] [eta 00m:20s] Threads: 3: [mmm] [50.0% done] [ 8520/ 872 kb/s] [eta 00m:20s] Threads: 3: [mmm] [51.2% done] [ 2540/ 5668 kb/s] [eta 00m:20s] Threads: 3: [mmm] [52.4% done] [ 4144/ 4184 kb/s] [eta 00m:20s] Threads: 3: [mmm] [53.5% done] [ 5172/ 2292 kb/s] [eta 00m:20s] Threads: 3: [mmm] [54.5% done] [ 6232/ 0 kb/s] [eta 00m:20s] Threads: 3: [mmV] [55.6% done] [ 4688/ 1256 kb/s] [eta 00m:20s] Threads: 3: [mVV] [56.5% done] [ 12956/ 232 kb/s] [eta 00m:20s] Threads: 3: [mVV] [56.2% done] [ 14584/ 0 kb/s] [eta 00m:21s] Threads: 3: [mVV] [57.1% done] [ 15380/ 208 kb/s] [eta 00m:21s] Threads: 3: [mVV] [56.9% done] [ 14204/ 0 kb/s] [eta 00m:22s] Threads: 1: [mE_] [57.7% done] [ 13508/ 0 kb/s] [eta 00m:22s] Threads: 1: [m__] [63.3% done] [ 1996/ 7000 kb/s] [eta 00m:18s] Threads: 1: [V__] [69.6% done] [ 3540/ 5956 kb/s] [eta 00m:14s] Threads: 1: [V__] [82.5% done] [ 19728/ 0 kb/s] [eta 00m:07s] Threads: 1: [V__] [97.1% done] [ 19840/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=15752 read : io=100MiB, bw=3,008KiB/s, runt= 34851msec clat (msec): min= 0, max= 240, avg=13.93, stdev=26.93 bw (KiB/s) : min= 22, max=21861, per=37.19%, avg=3356.38, stdev=5004.11 write: io=46,420KiB, bw=1,466KiB/s, runt= 32410msec clat (msec): min= 0, max= 379, avg= 9.91, stdev=30.11 bw (KiB/s) : min= 0, max= 9714, per=77.80%, avg=2819.41, stdev=3126.59 cpu : usr=2.79%, sys=0.20%, ctx=2626 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=48.4%, 4=7.5%, 10=15.8%, 20=11.1%, 50=10.4%, 100=4.2% lat (msec): 250=2.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15753 read : io=100MiB, bw=3,428KiB/s, runt= 30584msec clat (msec): min= 0, max= 141, avg=13.34, stdev=17.14 bw (KiB/s) : min= 4, max=12974, per=42.55%, avg=3840.40, stdev=2804.63 write: io=29,776KiB, bw=1,198KiB/s, runt= 25431msec clat (msec): min= 0, max= 233, avg=12.96, stdev=26.44 bw (KiB/s) : min= 0, max= 6136, per=79.21%, avg=2870.47, stdev=2477.44 cpu : usr=2.98%, sys=0.26%, ctx=2111 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=26.3%, 4=6.8%, 10=23.8%, 20=23.2%, 50=15.3%, 100=3.2% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15754 read : io=100MiB, bw=3,541KiB/s, runt= 29607msec clat (msec): min= 0, max= 155, avg=11.76, stdev=16.24 bw (KiB/s) : min= 21, max=17072, per=46.99%, avg=4241.05, stdev=3654.37 write: io=38,516KiB, bw=1,591KiB/s, runt= 24789msec clat (msec): min= 0, max= 250, avg=11.50, stdev=28.20 bw (KiB/s) : min= 0, max= 7785, per=82.40%, avg=2986.26, stdev=2505.35 cpu : usr=3.51%, sys=0.34%, ctx=2314 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=35.6%, 4=6.5%, 10=22.3%, 20=18.3%, 50=12.8%, 100=3.1% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=9,026KiB/s, minb=3,008KiB/s, maxb=3,541KiB/s, mint=29607msec, maxt=34851msec WRITE: io=112MiB, aggrb=3,624KiB/s, minb=1,198KiB/s, maxb=1,591KiB/s, mint=29607msec, maxt=34851msec Disk stats (read/write): sda: ios=5570/2446, merge=966/246, ticks=79396/71332, in_queue=150728, util=98.12% 2.94user 0.43system 0:35.32elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1076minor)pagefaults 0swaps