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] [9.7% done] [ 7305/ 11626 kb/s] [eta 00m:28s] Threads: 3: [mmm] [14.3% done] [ 10078/ 10515 kb/s] [eta 00m:24s] Threads: 3: [mmm] [19.2% done] [ 11594/ 8097 kb/s] [eta 00m:21s] Threads: 3: [mmm] [23.1% done] [ 9590/ 5911 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 6793/ 9649 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 7936/ 6868 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 13827/ 2004 kb/s] [eta 00m:17s] Threads: 3: [mmm] [37.0% done] [ 12165/ 2914 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 14107/ 433 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 11933/ 2508 kb/s] [eta 00m:15s] Threads: 3: [mmm] [48.1% done] [ 10117/ 3572 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 9952/ 2457 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 8621/ 4194 kb/s] [eta 00m:13s] Threads: 3: [mmm] [57.1% done] [ 8329/ 2741 kb/s] [eta 00m:12s] Threads: 3: [mmm] [58.6% done] [ 7183/ 2843 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 6683/ 3615 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 6912/ 3178 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 8278/ 2075 kb/s] [eta 00m:11s] Threads: 3: [mmm] [67.7% done] [ 2623/ 5376 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.0% done] [ 20267/ 118 kb/s] [eta 00m:09s] Threads: 3: [VVV] [76.7% done] [ 20964/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.0% done] [ 20791/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [86.2% done] [ 19995/ 0 kb/s] [eta 00m:04s] Threads: 2: [_VV] [87.1% done] [ 17652/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=31518 read : io=100MiB, bw=3,939KiB/s, runt= 26619msec slat (msec): min= 0, max= 4791, avg=686.86, stdev=1304.27 clat (msec): min= 3, max= 547, avg=96.24, stdev=79.42 bw (KiB/s) : min= 141, max=10209, per=36.76%, avg=4146.84, stdev=2603.45 write: io=31,680KiB, bw=1,489KiB/s, runt= 21775msec slat (msec): min= 0, max= 17, avg= 0.21, stdev= 1.31 clat (msec): min= 0, max= 854, avg=122.69, stdev=137.87 bw (KiB/s) : min= 0, max= 7442, per=44.95%, avg=2476.41, stdev=2190.57 cpu : usr=3.35%, sys=0.29%, ctx=1755 IO depths : 1=0.1%, 2=0.2%, 4=10.1%, 8=89.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.4%, 10=2.6%, 20=11.8%, 50=19.5%, 100=25.5% lat (msec): 250=32.0%, 500=6.6%, 750=0.6%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31519 read : io=100MiB, bw=3,760KiB/s, runt= 27882msec slat (msec): min= 0, max= 7276, avg=1904.13, stdev=2604.74 clat (msec): min= 0, max= 351, avg=78.24, stdev=73.90 bw (KiB/s) : min= 21, max=20103, per=41.08%, avg=4634.69, stdev=3813.19 write: io=51,672KiB, bw=2,548KiB/s, runt= 20758msec slat (msec): min= 0, max= 11, avg= 0.17, stdev= 0.92 clat (msec): min= 0, max= 928, avg=114.39, stdev=120.40 bw (KiB/s) : min= 0, max=10622, per=61.71%, avg=3399.41, stdev=2640.18 cpu : usr=3.80%, sys=0.29%, ctx=1853 IO depths : 1=0.1%, 2=0.3%, 4=16.4%, 8=83.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.6%, 10=4.1%, 20=11.7%, 50=25.8%, 100=26.3% lat (msec): 250=24.0%, 500=6.0%, 750=0.3%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=31520 read : io=100MiB, bw=3,842KiB/s, runt= 27289msec slat (msec): min= 0, max= 5824, avg=1152.94, stdev=1834.52 clat (msec): min= 1, max= 573, avg=94.31, stdev=77.00 bw (KiB/s) : min= 52, max= 7930, per=35.81%, avg=4040.41, stdev=2293.46 write: io=33,808KiB, bw=1,590KiB/s, runt= 21760msec slat (msec): min= 0, max= 8, avg= 0.08, stdev= 0.59 clat (msec): min= 0, max= 978, avg=111.81, stdev=122.14 bw (KiB/s) : min= 0, max= 7310, per=43.70%, avg=2407.50, stdev=2243.90 cpu : usr=3.56%, sys=0.19%, ctx=1778 IO depths : 1=0.1%, 2=0.2%, 4=13.6%, 8=86.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.2%, 10=2.2%, 20=9.7%, 50=23.3%, 100=26.3% lat (msec): 250=30.3%, 500=6.4%, 750=0.5%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,282KiB/s, minb=3,760KiB/s, maxb=3,939KiB/s, mint=26619msec, maxt=27882msec WRITE: io=114MiB, aggrb=5,509KiB/s, minb=1,489KiB/s, maxb=2,548KiB/s, mint=26619msec, maxt=27882msec Disk stats (read/write): sda: ios=4940/1831, merge=1573/608, ticks=463588/255840, in_queue=719432, util=99.46% 2.98user 0.25system 0:28.15elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2388minor)pagefaults 0swaps