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] [11.5% done] [ 15264/ 3752 kb/s] [eta 00m:23s] Threads: 3: [mmm] [16.7% done] [ 12592/ 7336 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.0% done] [ 15584/ 2200 kb/s] [eta 00m:20s] Threads: 3: [mmm] [23.1% done] [ 14629/ 2584 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 8912/ 7372 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 10368/ 2240 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 14616/ 956 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 9416/ 5224 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 9862/ 5915 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 8380/ 5892 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 5920/ 8316 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 11104/ 1716 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 8784/ 4204 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 4828/ 6556 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 10060/ 976 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 3932/ 6556 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 6764/ 3417 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 6268/ 2452 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 7656/ 1836 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 12132/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 18240/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 16776/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 17612/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 17988/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=22765 read : io=100MiB, bw=3,933KiB/s, runt= 26658msec slat (msec): min= 0, max= 4974, avg=672.86, stdev=1306.79 clat (msec): min= 2, max= 507, avg=97.69, stdev=87.66 bw (KiB/s) : min= 42, max= 9311, per=35.84%, avg=4184.88, stdev=2369.13 write: io=27,880KiB, bw=1,318KiB/s, runt= 21659msec slat (msec): min= 0, max= 5, avg= 0.12, stdev= 0.49 clat (msec): min= 0, max= 942, avg=115.70, stdev=111.47 bw (KiB/s) : min= 0, max= 5434, per=65.58%, avg=2566.17, stdev=2050.55 cpu : usr=3.75%, sys=0.23%, ctx=1732 IO depths : 1=0.1%, 2=0.2%, 4=10.8%, 8=88.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.2%, 10=3.4%, 20=10.9%, 50=22.4%, 100=23.5% lat (msec): 250=31.2%, 500=7.7%, 750=0.2%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22766 read : io=100MiB, bw=3,892KiB/s, runt= 26937msec slat (msec): min= 0, max= 6691, avg=1367.63, stdev=2118.91 clat (msec): min= 1, max= 572, avg=93.27, stdev=78.98 bw (KiB/s) : min= 27, max= 9134, per=34.04%, avg=3975.72, stdev=2560.50 write: io=29,668KiB, bw=1,444KiB/s, runt= 21038msec slat (msec): min= 0, max= 3, avg= 0.06, stdev= 0.28 clat (msec): min= 0, max= 826, avg=94.17, stdev=99.91 bw (KiB/s) : min= 0, max= 5495, per=56.02%, avg=2192.21, stdev=2122.95 cpu : usr=3.47%, sys=0.34%, ctx=1789 IO depths : 1=0.1%, 2=0.3%, 4=12.1%, 8=87.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.6%, 10=2.7%, 20=10.2%, 50=24.6%, 100=25.3% lat (msec): 250=30.1%, 500=5.3%, 750=0.2%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22767 read : io=100MiB, bw=3,924KiB/s, runt= 26719msec slat (msec): min= 0, max= 4787, avg=700.34, stdev=1303.30 clat (msec): min= 3, max= 650, avg=96.21, stdev=82.73 bw (KiB/s) : min= 17, max=10148, per=35.56%, avg=4152.57, stdev=2152.62 write: io=26,308KiB, bw=1,227KiB/s, runt= 21942msec slat (msec): min= 0, max= 2, avg= 0.02, stdev= 0.16 clat (msec): min= 0, max= 710, avg=108.75, stdev=98.16 bw (KiB/s) : min= 0, max= 5075, per=58.70%, avg=2297.05, stdev=1901.79 cpu : usr=3.35%, sys=0.33%, ctx=1791 IO depths : 1=0.1%, 2=0.2%, 4=10.9%, 8=88.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.5%, 10=2.2%, 20=10.7%, 50=22.9%, 100=24.9% lat (msec): 250=31.2%, 500=6.9%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,678KiB/s, minb=3,892KiB/s, maxb=3,933KiB/s, mint=26658msec, maxt=26937msec WRITE: io=83,856KiB, aggrb=3,913KiB/s, minb=1,227KiB/s, maxb=1,444KiB/s, mint=26658msec, maxt=26937msec Disk stats (read/write): sda: ios=5055/1506, merge=1365/402, ticks=508848/178828, in_queue=687676, util=99.44% 2.90user 0.27system 0:27.25elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2402minor)pagefaults 0swaps