fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [5.4% done] [ 5880/ 5496 kb/s] [eta 00m:53s] Threads: 3: [mmm] [7.4% done] [ 7612/ 2144 kb/s] [eta 00m:50s] Threads: 3: [mmm] [9.4% done] [ 3456/ 7252 kb/s] [eta 00m:48s] Threads: 3: [mmm] [11.8% done] [ 6140/ 4636 kb/s] [eta 00m:45s] Threads: 3: [mmm] [14.3% done] [ 1908/ 9880 kb/s] [eta 00m:42s] Threads: 3: [mmm] [16.3% done] [ 6424/ 6128 kb/s] [eta 00m:41s] Threads: 3: [mmm] [18.8% done] [ 6044/ 1568 kb/s] [eta 00m:39s] Threads: 3: [mmm] [21.3% done] [ 8560/ 0 kb/s] [eta 00m:37s] Threads: 3: [mmm] [25.0% done] [ 5444/ 6500 kb/s] [eta 00m:33s] Threads: 3: [mmm] [26.1% done] [ 4728/ 3212 kb/s] [eta 00m:34s] Threads: 3: [mmm] [27.1% done] [ 6652/ 1208 kb/s] [eta 00m:35s] Threads: 3: [mmm] [30.4% done] [ 6108/ 4244 kb/s] [eta 00m:32s] Threads: 3: [mmm] [31.9% done] [ 1696/ 6176 kb/s] [eta 00m:32s] Threads: 3: [mmm] [34.8% done] [ 10188/ 1972 kb/s] [eta 00m:30s] Threads: 3: [mmm] [36.2% done] [ 6292/ 2844 kb/s] [eta 00m:30s] Threads: 3: [mmm] [36.7% done] [ 6100/ 3140 kb/s] [eta 00m:31s] Threads: 3: [mmm] [38.0% done] [ 7608/ 2648 kb/s] [eta 00m:31s] Threads: 3: [mmm] [40.8% done] [ 7548/ 724 kb/s] [eta 00m:29s] Threads: 3: [mmm] [43.8% done] [ 6336/ 3776 kb/s] [eta 00m:27s] Threads: 3: [mmm] [44.9% done] [ 3012/ 2772 kb/s] [eta 00m:27s] Threads: 3: [mmm] [45.1% done] [ 1376/ 1636 kb/s] [eta 00m:28s] Threads: 3: [mmm] [46.2% done] [ 2948/ 1160 kb/s] [eta 00m:28s] Threads: 3: [mmm] [47.2% done] [ 1868/ 1176 kb/s] [eta 00m:28s] Threads: 3: [mmm] [48.1% done] [ 1688/ 1848 kb/s] [eta 00m:28s] Threads: 3: [mmm] [48.2% done] [ 1552/ 1960 kb/s] [eta 00m:29s] Threads: 3: [mmm] [49.1% done] [ 980/ 1564 kb/s] [eta 00m:29s] Threads: 3: [mmm] [50.0% done] [ 2240/ 1252 kb/s] [eta 00m:29s] Threads: 3: [mmm] [50.0% done] [ 2520/ 712 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3272/ 228 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1724/ 1796 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1808/ 768 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2164/ 1480 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3176/ 128 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3956/ 96 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3796/ 288 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1940/ 844 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3112/ 276 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 5312/ 588 kb/s] [eta 00m:20s] Threads: 3: [mmF] [68.3% done] [ 3420/ 2076 kb/s] [eta 00m:19s] Threads: 3: [mmF] [71.7% done] [ 1180/ 3672 kb/s] [eta 00m:17s] Threads: 3: [mFF] [73.3% done] [ 3020/ 64 kb/s] [eta 00m:16s] Threads: 3: [mFF] [75.0% done] [ 700/ 0 kb/s] [eta 00m:15s] Threads: 2: [m_F] [76.7% done] [ 37564/ 0 kb/s] [eta 00m:14s] Threads: 2: [m_F] [78.3% done] [ 488/ 132 kb/s] [eta 00m:13s] Threads: 1: [m__] [80.0% done] [ 36756/ 1880 kb/s] [eta 00m:12s] Threads: 1: [m__] [81.7% done] [ 3252/ 72 kb/s] [eta 00m:11s] Threads: 1: [m__] [83.3% done] [ 7024/ 0 kb/s] [eta 00m:10s] fio: (groupid=0): err= 0: pid=26047 read : io=100MiB, bw=2,074KiB/s, runt= 50558msec clat (msec): min= 0, max= 651, avg=17.85, stdev=54.58 bw (KiB/s) : min= 6, max=32686, per=30.44%, avg=1893.89, stdev=4071.38 write: io=41,852KiB, bw=851KiB/s, runt= 50319msec clat (msec): min= 0, max= 691, avg=34.40, stdev=77.34 bw (KiB/s) : min= 0, max= 8545, per=63.31%, avg=1487.79, stdev=2007.41 cpu : usr=2.12%, sys=0.52%, ctx=8730 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=66.9%, 4=1.7%, 10=6.0%, 20=8.4%, 50=4.5%, 100=4.7% lat (msec): 250=6.0%, 500=1.5%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26048 read : io=100MiB, bw=2,285KiB/s, runt= 45873msec clat (msec): min= 0, max= 468, avg=16.72, stdev=49.25 bw (KiB/s) : min= 1, max= 8086, per=30.42%, avg=1892.78, stdev=1896.80 write: io=37,368KiB, bw=838KiB/s, runt= 45655msec clat (msec): min= 0, max= 417, avg=27.17, stdev=58.86 bw (KiB/s) : min= 0, max= 7279, per=71.69%, avg=1684.61, stdev=1873.02 cpu : usr=2.13%, sys=0.56%, ctx=7969 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=69.8%, 4=1.5%, 10=5.0%, 20=6.9%, 50=5.1%, 100=4.5% lat (msec): 250=6.1%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26049 read : io=100MiB, bw=2,189KiB/s, runt= 47900msec clat (msec): min= 0, max= 563, avg=14.77, stdev=45.38 bw (KiB/s) : min= 3, max= 7178, per=30.72%, avg=1911.41, stdev=1773.35 write: io=36,304KiB, bw=779KiB/s, runt= 47686msec clat (msec): min= 0, max= 564, avg=29.58, stdev=66.19 bw (KiB/s) : min= 0, max= 4964, per=61.46%, avg=1444.26, stdev=1641.03 cpu : usr=2.05%, sys=0.64%, ctx=7279 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=71.4%, 4=1.5%, 10=4.3%, 20=6.6%, 50=4.4%, 100=5.3% lat (msec): 250=5.3%, 500=0.9%, 750=0.1%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=6,222KiB/s, minb=2,074KiB/s, maxb=2,285KiB/s, mint=45873msec, maxt=50558msec WRITE: io=113MiB, aggrb=2,350KiB/s, minb=779KiB/s, maxb=851KiB/s, mint=45873msec, maxt=50558msec Disk stats (read/write): sda: ios=23908/1285, merge=0/27668, ticks=131468/4593832, in_queue=4725296, util=98.94% 3.04user 0.84system 0:50.85elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+106822minor)pagefaults 0swaps