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] [12.5% done] [ 14035/ 5310 kb/s] [eta 00m:21s] Threads: 3: [mmm] [17.4% done] [ 16006/ 4112 kb/s] [eta 00m:19s] Threads: 3: [mmm] [20.0% done] [ 13352/ 3490 kb/s] [eta 00m:20s] Threads: 3: [mmm] [24.0% done] [ 16879/ 520 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.9% done] [ 12186/ 3149 kb/s] [eta 00m:19s] Threads: 3: [mmm] [30.8% done] [ 8777/ 5843 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 8805/ 7590 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 10118/ 5376 kb/s] [eta 00m:17s] Threads: 3: [mmm] [39.3% done] [ 8443/ 5944 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 7533/ 7326 kb/s] [eta 00m:17s] Threads: 3: [mmm] [44.8% done] [ 9890/ 3787 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.3% done] [ 6497/ 6513 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 6972/ 6334 kb/s] [eta 00m:15s] Threads: 3: [mmm] [53.3% done] [ 9528/ 2409 kb/s] [eta 00m:14s] Threads: 3: [mmm] [56.7% done] [ 6489/ 4575 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 8557/ 2450 kb/s] [eta 00m:13s] Threads: 3: [mmm] [61.3% done] [ 10231/ 1186 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 4742/ 4802 kb/s] [eta 00m:12s] Threads: 3: [mmm] [65.6% done] [ 3564/ 5032 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 10044/ 2420 kb/s] [eta 00m:10s] Threads: 3: [VVV] [71.9% done] [ 19860/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [77.4% done] [ 19732/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 19276/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.9% done] [ 14184/ 0 kb/s] [eta 00m:05s] Threads: 1: [_V_] [90.0% done] [ 12324/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=15911 read : io=100MiB, bw=3,998KiB/s, runt= 26225msec slat (msec): min= 0, max= 5002, avg=828.06, stdev=1429.48 clat (msec): min= 1, max= 840, avg=94.92, stdev=93.90 bw (KiB/s) : min= 55, max=10379, per=38.93%, avg=4497.50, stdev=2801.70 write: io=28,648KiB, bw=1,366KiB/s, runt= 21462msec slat (msec): min= 0, max= 5, avg= 0.07, stdev= 0.47 clat (msec): min= 0, max= 1227, avg=109.91, stdev=129.26 bw (KiB/s) : min= 0, max= 4560, per=45.47%, avg=2065.17, stdev=1629.69 cpu : usr=3.45%, sys=0.26%, ctx=1703 IO depths : 1=0.1%, 2=0.4%, 4=12.6%, 8=86.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.6%, 10=4.6%, 20=12.9%, 50=21.8%, 100=22.9% lat (msec): 250=29.9%, 500=5.7%, 750=0.9%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15912 read : io=100MiB, bw=3,851KiB/s, runt= 27226msec slat (msec): min= 0, max= 7018, avg=1650.79, stdev=2465.17 clat (msec): min= 0, max= 514, avg=91.39, stdev=86.02 bw (KiB/s) : min= 57, max= 9818, per=38.71%, avg=4472.93, stdev=2467.93 write: io=32,024KiB, bw=1,581KiB/s, runt= 20736msec slat (msec): min= 0, max= 2, avg= 0.03, stdev= 0.20 clat (msec): min= 0, max= 921, avg=88.32, stdev=108.23 bw (KiB/s) : min= 0, max= 7000, per=60.39%, avg=2742.76, stdev=2329.14 cpu : usr=3.44%, sys=0.26%, ctx=1872 IO depths : 1=0.2%, 2=0.4%, 4=12.9%, 8=86.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=0.6%, 10=4.9%, 20=10.8%, 50=24.5%, 100=25.9% lat (msec): 250=24.2%, 500=6.8%, 750=0.2%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15913 read : io=100MiB, bw=3,884KiB/s, runt= 26993msec slat (msec): min= 0, max= 6014, avg=1213.36, stdev=1892.90 clat (msec): min= 1, max= 790, avg=93.15, stdev=84.15 bw (KiB/s) : min= 90, max=11039, per=37.52%, avg=4335.05, stdev=2712.05 write: io=34,544KiB, bw=1,683KiB/s, runt= 21012msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.22 clat (msec): min= 0, max= 968, avg=102.16, stdev=110.94 bw (KiB/s) : min= 0, max= 7921, per=61.16%, avg=2777.71, stdev=2263.90 cpu : usr=3.63%, sys=0.22%, ctx=1796 IO depths : 1=0.1%, 2=0.2%, 4=13.4%, 8=86.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.0%, 4=0.4%, 10=2.5%, 20=9.6%, 50=24.5%, 100=26.8% lat (msec): 250=29.2%, 500=5.3%, 750=0.4%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,554KiB/s, minb=3,851KiB/s, maxb=3,998KiB/s, mint=26225msec, maxt=27226msec WRITE: io=95,216KiB, aggrb=4,542KiB/s, minb=1,366KiB/s, maxb=1,683KiB/s, mint=26225msec, maxt=27226msec Disk stats (read/write): sda: ios=4932/1887, merge=1478/486, ticks=479672/270796, in_queue=750468, util=99.26% 2.87user 0.25system 0:27.51elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2383minor)pagefaults 0swaps