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] [11.1% done] [ 15668/ 2860 kb/s] [eta 00m:24s] Threads: 3: [mmm] [15.4% done] [ 13808/ 5984 kb/s] [eta 00m:22s] Threads: 3: [mmm] [19.2% done] [ 10272/ 6632 kb/s] [eta 00m:21s] Threads: 3: [mmm] [22.2% done] [ 10936/ 6144 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.0% done] [ 13628/ 3820 kb/s] [eta 00m:21s] Threads: 3: [mmm] [29.6% done] [ 2352/ 10060 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 5740/ 11352 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 14360/ 1012 kb/s] [eta 00m:17s] Threads: 3: [mmm] [39.3% done] [ 5864/ 9228 kb/s] [eta 00m:17s] Threads: 3: [mmm] [42.9% done] [ 13728/ 700 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 14304/ 0 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 8164/ 5568 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 5736/ 6492 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 5576/ 5596 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 1664/ 9100 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 8428/ 1680 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 7668/ 2948 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 10252/ 608 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 5432/ 3140 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 9844/ 1308 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19636/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 19540/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 18176/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [86.7% done] [ 19308/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=14155 read : io=100MiB, bw=4,032KiB/s, runt= 26001msec slat (msec): min= 0, max= 4574, avg=675.49, stdev=1272.07 clat (msec): min= 1, max= 526, avg=100.07, stdev=78.90 bw (KiB/s) : min= 8, max=10347, per=39.83%, avg=4561.79, stdev=2310.87 write: io=22,564KiB, bw=1,055KiB/s, runt= 21884msec slat (msec): min= 0, max= 3, avg= 0.08, stdev= 0.38 clat (msec): min= 0, max= 904, avg=108.61, stdev=120.57 bw (KiB/s) : min= 0, max= 5776, per=50.87%, avg=2397.41, stdev=2098.67 cpu : usr=3.23%, sys=0.26%, ctx=1684 IO depths : 1=0.2%, 2=0.3%, 4=11.9%, 8=87.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.1%, 10=3.2%, 20=10.0%, 50=17.6%, 100=26.8% lat (msec): 250=34.4%, 500=6.5%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14156 read : io=100MiB, bw=3,838KiB/s, runt= 27318msec slat (msec): min= 0, max= 5585, avg=1160.71, stdev=1786.61 clat (msec): min= 2, max= 525, avg=88.45, stdev=80.01 bw (KiB/s) : min= 7, max= 9051, per=39.14%, avg=4482.58, stdev=2514.14 write: io=35,592KiB, bw=1,679KiB/s, runt= 21695msec slat (msec): min= 0, max= 3, avg= 0.03, stdev= 0.21 clat (msec): min= 0, max= 842, avg=101.23, stdev=91.14 bw (KiB/s) : min= 0, max= 6823, per=60.64%, avg=2857.91, stdev=2120.95 cpu : usr=3.56%, sys=0.25%, ctx=1852 IO depths : 1=0.1%, 2=0.3%, 4=14.8%, 8=84.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.6%, 10=3.7%, 20=11.3%, 50=24.5%, 100=23.7% lat (msec): 250=31.0%, 500=4.8%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14157 read : io=100MiB, bw=3,817KiB/s, runt= 27468msec slat (msec): min= 0, max= 5596, avg=1144.37, stdev=1829.56 clat (msec): min= 2, max= 568, avg=84.65, stdev=71.98 bw (KiB/s) : min= 60, max=12860, per=36.87%, avg=4222.71, stdev=2967.85 write: io=42,580KiB, bw=1,992KiB/s, runt= 21883msec slat (msec): min= 0, max= 11, avg= 0.15, stdev= 0.74 clat (msec): min= 0, max= 865, avg=120.45, stdev=112.94 bw (KiB/s) : min= 0, max= 7554, per=59.87%, avg=2821.56, stdev=2192.61 cpu : usr=3.44%, sys=0.26%, ctx=1902 IO depths : 1=0.1%, 2=0.3%, 4=12.7%, 8=86.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.3%, 10=2.6%, 20=9.1%, 50=24.7%, 100=26.3% lat (msec): 250=30.7%, 500=5.1%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,452KiB/s, minb=3,817KiB/s, maxb=4,032KiB/s, mint=26001msec, maxt=27468msec WRITE: io=98MiB, aggrb=4,713KiB/s, minb=1,055KiB/s, maxb=1,992KiB/s, mint=26001msec, maxt=27468msec Disk stats (read/write): sda: ios=4976/1742, merge=1394/461, ticks=480816/214572, in_queue=695388, util=99.44% 2.80user 0.26system 0:27.74elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2382minor)pagefaults 0swaps