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] [12.0% done] [ 13804/ 5860 kb/s] [eta 00m:22s] Threads: 3: [mmm] [16.7% done] [ 16280/ 4288 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.8% done] [ 13112/ 4444 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 9264/ 7652 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 15548/ 608 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 9548/ 6544 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 8680/ 6380 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 12676/ 2220 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 11220/ 3260 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 8700/ 6412 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 7804/ 5040 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 9496/ 3628 kb/s] [eta 00m:14s] Threads: 3: [mmm] [51.7% done] [ 8572/ 3088 kb/s] [eta 00m:14s] Threads: 3: [mmm] [55.2% done] [ 9932/ 1976 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 10572/ 740 kb/s] [eta 00m:13s] Threads: 3: [mmm] [60.0% done] [ 6540/ 3948 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 8056/ 2452 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 7808/ 2432 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 6820/ 2648 kb/s] [eta 00m:11s] Threads: 3: [VVV] [68.8% done] [ 11984/ 116 kb/s] [eta 00m:10s] Threads: 3: [VVV] [74.2% done] [ 19920/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [77.4% done] [ 19736/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [80.6% done] [ 20236/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [83.9% done] [ 16608/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=22700 read : io=100MiB, bw=3,894KiB/s, runt= 26922msec slat (msec): min= 0, max= 5879, avg=1187.40, stdev=1936.44 clat (msec): min= 3, max= 762, avg=98.38, stdev=88.46 bw (KiB/s) : min= 25, max= 8102, per=34.48%, avg=4029.04, stdev=2087.04 write: io=29,888KiB, bw=1,416KiB/s, runt= 21604msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.22 clat (msec): min= 0, max= 737, avg=99.62, stdev=121.40 bw (KiB/s) : min= 0, max= 6881, per=52.41%, avg=2311.26, stdev=2255.79 cpu : usr=3.30%, sys=0.31%, ctx=1743 IO depths : 1=0.1%, 2=0.2%, 4=13.0%, 8=86.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=0.4%, 10=4.3%, 20=10.7%, 50=20.7%, 100=26.3% lat (msec): 250=28.2%, 500=6.7%, 750=0.7%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22701 read : io=100MiB, bw=3,927KiB/s, runt= 26698msec slat (msec): min= 0, max= 5908, avg=829.59, stdev=1654.58 clat (msec): min= 1, max= 545, avg=93.65, stdev=78.48 bw (KiB/s) : min= 127, max= 8583, per=36.34%, avg=4246.42, stdev=2322.05 write: io=31,864KiB, bw=1,565KiB/s, runt= 20842msec slat (msec): min= 0, max= 9, avg= 0.20, stdev= 0.79 clat (msec): min= 0, max= 977, avg=122.70, stdev=114.16 bw (KiB/s) : min= 0, max= 8295, per=70.72%, avg=3118.89, stdev=2509.94 cpu : usr=3.61%, sys=0.21%, ctx=1790 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=0.2%, 10=2.5%, 20=8.7%, 50=22.8%, 100=27.2% lat (msec): 250=31.4%, 500=6.1%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22702 read : io=100MiB, bw=4,007KiB/s, runt= 26163msec slat (msec): min= 0, max= 4578, avg=699.50, stdev=1291.44 clat (msec): min= 2, max= 587, avg=91.07, stdev=78.71 bw (KiB/s) : min= 52, max=11127, per=36.10%, avg=4218.22, stdev=2781.49 write: io=31,308KiB, bw=1,484KiB/s, runt= 21599msec slat (msec): min= 0, max= 12, avg= 0.15, stdev= 0.89 clat (msec): min= 0, max= 942, avg=120.21, stdev=130.75 bw (KiB/s) : min= 0, max= 8313, per=59.98%, avg=2645.19, stdev=2428.87 cpu : usr=3.47%, sys=0.31%, ctx=1835 IO depths : 1=0.1%, 2=0.2%, 4=9.4%, 8=90.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.3%, 10=3.1%, 20=9.3%, 50=24.5%, 100=26.1% lat (msec): 250=29.6%, 500=5.9%, 750=0.6%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,684KiB/s, minb=3,894KiB/s, maxb=4,007KiB/s, mint=26163msec, maxt=26922msec WRITE: io=93,060KiB, aggrb=4,410KiB/s, minb=1,416KiB/s, maxb=1,565KiB/s, mint=26163msec, maxt=26922msec Disk stats (read/write): sda: ios=5071/1602, merge=1251/273, ticks=509788/253696, in_queue=763480, util=99.49% 2.82user 0.30system 0:27.13elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2383minor)pagefaults 0swaps