fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [16.7% done] [ 25304/ 4100 kb/s] [eta 00m:15s] Threads: 3: [mmm] [23.5% done] [ 9032/ 21708 kb/s] [eta 00m:13s] Threads: 3: [mmm] [29.4% done] [ 6472/ 24024 kb/s] [eta 00m:12s] Threads: 3: [mmm] [33.3% done] [ 13852/ 10532 kb/s] [eta 00m:12s] Threads: 3: [mmm] [36.8% done] [ 7540/ 11908 kb/s] [eta 00m:12s] Threads: 3: [mmm] [42.1% done] [ 10404/ 15544 kb/s] [eta 00m:11s] Threads: 3: [mmm] [45.0% done] [ 13592/ 11668 kb/s] [eta 00m:11s] Threads: 3: [mmm] [50.0% done] [ 8624/ 9396 kb/s] [eta 00m:10s] Threads: 3: [mmm] [55.0% done] [ 11896/ 1456 kb/s] [eta 00m:09s] Threads: 3: [mmm] [60.0% done] [ 5240/ 6720 kb/s] [eta 00m:08s] Threads: 3: [FFm] [59.1% done] [ 4212/ 2344 kb/s] [eta 00m:09s] Threads: 3: [FFm] [63.6% done] [ 1828/ 1484 kb/s] [eta 00m:08s] Threads: 3: [FFm] [65.2% done] [ 0/ 3928 kb/s] [eta 00m:08s] Threads: 3: [FFF] [100.0% done] [ 2040/ 2412 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [FEF] [100.0% done] [ 42216/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_F] [95.5% done] [ 38704/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=17073 read : io=100MiB, bw=4,875KiB/s, runt= 21506msec clat (msec): min= 0, max= 288, avg= 4.25, stdev=26.28 bw (KiB/s) : min= 3, max=17798, per=38.02%, avg=5350.71, stdev=5081.51 write: io=51,048KiB, bw=2,464KiB/s, runt= 21214msec clat (msec): min= 0, max= 311, avg= 7.10, stdev=37.79 bw (KiB/s) : min= 0, max=13487, per=97.19%, avg=6635.23, stdev=5011.26 cpu : usr=4.76%, sys=1.06%, ctx=2654 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=87.7%, 4=1.5%, 10=3.8%, 20=4.4%, 50=0.5%, 100=0.1% lat (msec): 250=1.4%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17074 read : io=100MiB, bw=5,590KiB/s, runt= 18758msec clat (msec): min= 0, max= 316, avg= 4.04, stdev=27.00 bw (KiB/s) : min= 7, max=15884, per=50.70%, avg=7135.07, stdev=4878.16 write: io=42,216KiB, bw=2,334KiB/s, runt= 18516msec clat (msec): min= 0, max= 284, avg= 7.72, stdev=36.34 bw (KiB/s) : min= 0, max=18261, per=91.18%, avg=6224.67, stdev=5318.14 cpu : usr=5.22%, sys=1.02%, ctx=2630 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=86.6%, 4=1.9%, 10=5.1%, 20=3.7%, 50=0.6%, 100=0.1% lat (msec): 250=1.5%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17075 read : io=100MiB, bw=4,691KiB/s, runt= 22352msec clat (msec): min= 0, max= 361, avg= 4.04, stdev=24.74 bw (KiB/s) : min= 4, max=12424, per=30.71%, avg=4322.00, stdev=4146.41 write: io=53,744KiB, bw=2,496KiB/s, runt= 22047msec clat (msec): min= 0, max= 292, avg= 8.59, stdev=34.74 bw (KiB/s) : min= 0, max=11225, per=59.69%, avg=4075.13, stdev=3602.05 cpu : usr=4.80%, sys=1.00%, ctx=4354 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=82.5%, 4=2.0%, 10=5.7%, 20=6.5%, 50=0.8%, 100=0.7% lat (msec): 250=1.4%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=14,073KiB/s, minb=4,691KiB/s, maxb=5,590KiB/s, mint=18758msec, maxt=22352msec WRITE: io=144MiB, aggrb=6,827KiB/s, minb=2,334KiB/s, maxb=2,496KiB/s, mint=18758msec, maxt=22352msec Disk stats (read/write): sda: ios=9342/1497, merge=0/35278, ticks=39036/1726496, in_queue=1765532, util=97.35% 3.08user 0.68system 0:23.11elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (9341major+105234minor)pagefaults 0swaps