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] [10.0% done] [ 14492/ 3660 kb/s] [eta 00m:27s] Threads: 3: [mmm] [14.3% done] [ 9660/ 9732 kb/s] [eta 00m:24s] Threads: 3: [mmm] [18.5% done] [ 13744/ 5372 kb/s] [eta 00m:22s] Threads: 3: [mmm] [22.2% done] [ 15084/ 3032 kb/s] [eta 00m:21s] Threads: 3: [mmm] [25.9% done] [ 13532/ 2140 kb/s] [eta 00m:20s] Threads: 3: [mmm] [29.6% done] [ 12861/ 2589 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 5226/ 9397 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 12106/ 3796 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 8881/ 4773 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.9% done] [ 7199/ 6222 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.4% done] [ 10436/ 4099 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 6636/ 6541 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 8585/ 3154 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 5277/ 6218 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 6270/ 4391 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 9535/ 890 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 5340/ 4966 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 7550/ 2780 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 7010/ 1831 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 10007/ 634 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 20806/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 17443/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VV] [83.3% done] [ 17959/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [89.7% done] [ 17171/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=25245 read : io=100MiB, bw=4,226KiB/s, runt= 24812msec slat (msec): min= 0, max= 2509, avg=243.48, stdev=609.73 clat (msec): min= 2, max= 560, avg=99.05, stdev=78.86 bw (KiB/s) : min= 502, max=12086, per=38.34%, avg=4366.82, stdev=2552.74 write: io=18,012KiB, bw=837KiB/s, runt= 22030msec slat (msec): min= 0, max= 2, avg= 0.07, stdev= 0.26 clat (msec): min= 1, max= 878, avg=119.45, stdev=124.26 bw (KiB/s) : min= 0, max= 7091, per=47.57%, avg=2132.64, stdev=2315.16 cpu : usr=3.29%, sys=0.26%, ctx=1718 IO depths : 1=0.2%, 2=0.2%, 4=7.4%, 8=92.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.3%, 10=2.9%, 20=10.4%, 50=18.4%, 100=26.9% lat (msec): 250=34.7%, 500=5.8%, 750=0.3%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25246 read : io=100MiB, bw=3,833KiB/s, runt= 27352msec slat (msec): min= 0, max= 6084, avg=1359.57, stdev=2022.71 clat (msec): min= 0, max= 541, avg=87.49, stdev=76.10 bw (KiB/s) : min= 51, max= 8702, per=38.09%, avg=4339.00, stdev=2730.69 write: io=36,724KiB, bw=1,760KiB/s, runt= 21357msec slat (msec): min= 0, max= 7, avg= 0.15, stdev= 0.74 clat (msec): min= 0, max= 885, avg=114.59, stdev=114.23 bw (KiB/s) : min= 0, max= 5850, per=53.48%, avg=2397.63, stdev=1919.43 cpu : usr=3.32%, sys=0.19%, ctx=1798 IO depths : 1=0.1%, 2=0.3%, 4=13.9%, 8=85.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.4%, 10=1.9%, 20=11.1%, 50=22.1%, 100=28.9% lat (msec): 250=28.5%, 500=5.9%, 750=0.4%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25247 read : io=100MiB, bw=3,797KiB/s, runt= 27614msec slat (msec): min= 0, max= 5805, avg=1406.35, stdev=1966.80 clat (msec): min= 0, max= 556, avg=85.76, stdev=76.97 bw (KiB/s) : min= 43, max=12710, per=37.90%, avg=4316.64, stdev=3235.59 write: io=41,716KiB, bw=1,939KiB/s, runt= 22027msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.18 clat (msec): min= 0, max= 895, avg=119.21, stdev=107.70 bw (KiB/s) : min= 0, max= 8257, per=56.95%, avg=2553.07, stdev=2250.62 cpu : usr=2.94%, sys=0.36%, ctx=1793 IO depths : 1=0.1%, 2=0.3%, 4=15.5%, 8=84.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.3%, 10=2.7%, 20=10.0%, 50=22.4%, 100=29.7% lat (msec): 250=28.7%, 500=5.3%, 750=0.3%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,391KiB/s, minb=3,797KiB/s, maxb=4,226KiB/s, mint=24812msec, maxt=27614msec WRITE: io=96,452KiB, aggrb=4,483KiB/s, minb=837KiB/s, maxb=1,939KiB/s, mint=24812msec, maxt=27614msec Disk stats (read/write): sda: ios=4955/1766, merge=1530/555, ticks=476352/244564, in_queue=720916, util=99.46% 2.59user 0.31system 0:27.87elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2389minor)pagefaults 0swaps