fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [9.4% done] [ 9996/ 11268 kb/s] [eta 00m:29s] Threads: 3: [mmm] [12.5% done] [ 16792/ 3080 kb/s] [eta 00m:28s] Threads: 3: [mmm] [17.2% done] [ 10244/ 6640 kb/s] [eta 00m:24s] Threads: 3: [mmm] [20.7% done] [ 4972/ 10536 kb/s] [eta 00m:23s] Threads: 3: [mmm] [25.0% done] [ 15312/ 2380 kb/s] [eta 00m:21s] Threads: 3: [mmm] [27.6% done] [ 8692/ 4940 kb/s] [eta 00m:21s] Threads: 3: [mmm] [31.0% done] [ 10148/ 4384 kb/s] [eta 00m:20s] Threads: 3: [mmm] [34.5% done] [ 9624/ 5584 kb/s] [eta 00m:19s] Threads: 3: [mmm] [37.9% done] [ 12396/ 3412 kb/s] [eta 00m:18s] Threads: 3: [mmm] [41.4% done] [ 7876/ 6240 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 4492/ 8696 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.7% done] [ 6808/ 5660 kb/s] [eta 00m:16s] Threads: 3: [mmm] [50.0% done] [ 5292/ 6104 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 10484/ 2092 kb/s] [eta 00m:14s] Threads: 3: [mmm] [54.8% done] [ 5528/ 4644 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 9804/ 1052 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 5676/ 4812 kb/s] [eta 00m:12s] Threads: 3: [mVm] [62.5% done] [ 2444/ 6452 kb/s] [eta 00m:12s] Threads: 3: [mVm] [63.6% done] [ 12780/ 572 kb/s] [eta 00m:12s] Threads: 3: [mVm] [64.7% done] [ 13620/ 480 kb/s] [eta 00m:12s] Threads: 3: [mVm] [65.7% done] [ 6784/ 3136 kb/s] [eta 00m:12s] Threads: 2: [V_V] [68.6% done] [ 11832/ 436 kb/s] [eta 00m:11s] Threads: 2: [V_V] [73.5% done] [ 19840/ 0 kb/s] [eta 00m:09s] Threads: 2: [V_V] [78.8% done] [ 21604/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [87.1% done] [ 19288/ 0 kb/s] [eta 00m:04s] Threads: 1: [__V] [96.6% done] [ 18944/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=11925 read : io=100MiB, bw=3,756KiB/s, runt= 27911msec slat (msec): min= 0, max= 3797, avg=654.96, stdev=1120.67 clat (msec): min= 1, max= 916, avg=87.91, stdev=78.56 bw (KiB/s) : min= 25, max=12557, per=41.04%, avg=4468.43, stdev=3476.47 write: io=38,604KiB, bw=1,641KiB/s, runt= 24088msec slat (msec): min= 0, max= 8, avg= 0.15, stdev= 0.74 clat (msec): min= 0, max= 838, avg=140.04, stdev=161.20 bw (KiB/s) : min= 0, max= 6671, per=46.24%, avg=2404.75, stdev=1899.22 cpu : usr=3.27%, sys=0.21%, ctx=1797 IO depths : 1=0.1%, 2=0.2%, 4=12.9%, 8=86.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.6%, 4=0.6%, 10=3.8%, 20=11.0%, 50=21.1%, 100=22.4% lat (msec): 250=33.3%, 500=4.4%, 750=1.2%, 1000=0.4%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11926 read : io=100MiB, bw=4,354KiB/s, runt= 24079msec slat (msec): min= 0, max= 3671, avg=683.47, stdev=1100.02 clat (msec): min= 2, max= 583, avg=78.09, stdev=65.39 bw (KiB/s) : min= 10, max=12886, per=46.74%, avg=5089.06, stdev=3174.51 write: io=33,008KiB, bw=1,662KiB/s, runt= 20325msec slat (msec): min= 0, max= 6, avg= 0.09, stdev= 0.47 clat (msec): min= 0, max= 737, avg=96.01, stdev=90.15 bw (KiB/s) : min= 0, max= 8574, per=54.98%, avg=2859.43, stdev=2396.06 cpu : usr=3.77%, sys=0.27%, ctx=1844 IO depths : 1=0.1%, 2=0.2%, 4=14.3%, 8=85.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.8%, 10=3.2%, 20=9.4%, 50=26.6%, 100=29.1% lat (msec): 250=27.6%, 500=2.7%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=11927 read : io=100MiB, bw=3,629KiB/s, runt= 28889msec slat (msec): min= 0, max= 6099, avg=2223.88, stdev=2370.27 clat (msec): min= 0, max= 461, avg=76.90, stdev=73.97 bw (KiB/s) : min= 8, max=18149, per=42.29%, avg=4604.61, stdev=4430.54 write: io=50,740KiB, bw=2,194KiB/s, runt= 23677msec slat (msec): min= 0, max= 9, avg= 0.09, stdev= 0.60 clat (msec): min= 0, max= 932, avg=116.34, stdev=141.61 bw (KiB/s) : min= 0, max= 8457, per=51.77%, avg=2692.61, stdev=2302.85 cpu : usr=3.57%, sys=0.32%, ctx=1918 IO depths : 1=0.1%, 2=0.4%, 4=15.3%, 8=84.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.5%, 4=1.0%, 10=5.9%, 20=12.7%, 50=21.6%, 100=22.7% lat (msec): 250=28.4%, 500=4.0%, 750=0.6%, 1000=0.5%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,889KiB/s, minb=3,629KiB/s, maxb=4,354KiB/s, mint=24079msec, maxt=28889msec WRITE: io=119MiB, aggrb=5,201KiB/s, minb=1,641KiB/s, maxb=2,194KiB/s, mint=24079msec, maxt=28889msec Disk stats (read/write): sda: ios=4979/2238, merge=1426/433, ticks=427652/273976, in_queue=701624, util=99.29% 2.90user 0.25system 0:29.22elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2407minor)pagefaults 0swaps