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] [5.0% done] [ 3335/ 531 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3383/ 488 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 850/ 1579 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 1665/ 1378 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3064/ 1016 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2938/ 267 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 1878/ 1087 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3753/ 200 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 1599/ 1323 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 2351/ 618 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 2701/ 0 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2500/ 539 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2693/ 697 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 1311/ 1244 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2898/ 216 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2741/ 1126 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5549/ 63 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3209/ 764 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2347/ 1378 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4426/ 236 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3741/ 39 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2922/ 153 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1382/ 1500 kb/s] [eta 00m:35s] Threads: 3: [mmm] [45.0% done] [ 913/ 1106 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2938/ 858 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3501/ 82 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2012/ 319 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2536/ 1031 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2311/ 208 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3158/ 358 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1276/ 768 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3379/ 409 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1949/ 0 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2158/ 39 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2583/ 492 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3201/ 90 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1697/ 681 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1398/ 701 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2323/ 838 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 669/ 1807 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1701/ 618 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3560/ 55 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2756/ 3 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1000/ 665 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1693/ 508 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2682/ 295 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2926/ 492 kb/s] [eta 00m:10s] Threads: 3: [mmm] [86.7% done] [ 1500/ 681 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 1543/ 429 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1870/ 421 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2398/ 456 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2036/ 657 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3142/ 185 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3564/ 220 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2436/ 323 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=17106 read : io=41,344KiB, bw=705KiB/s, runt= 60046msec clat (msec): min= 1, max= 623, avg=89.71, stdev=102.60 bw (KiB/s) : min= 11, max= 3991, per=40.02%, avg=974.07, stdev=807.14 write: io=12,548KiB, bw=213KiB/s, runt= 60046msec clat (msec): min= 14, max= 1327, avg=199.92, stdev=178.98 bw (KiB/s) : min= 0, max= 1381, per=60.95%, avg=371.17, stdev=364.71 cpu : usr=0.67%, sys=0.44%, ctx=13756 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=0.2%, 4=1.5%, 10=4.8%, 20=15.2%, 50=18.1%, 100=18.7% lat (msec): 250=28.5%, 500=11.0%, 750=1.2%, 1000=0.2%, >=2000=0.2% fio: (groupid=0): err= 0: pid=17107 read : io=53,480KiB, bw=912KiB/s, runt= 60016msec clat (msec): min= 0, max= 559, avg=69.96, stdev=74.70 bw (KiB/s) : min= 1, max= 2980, per=45.02%, avg=1095.71, stdev=756.68 write: io=12,176KiB, bw=207KiB/s, runt= 60016msec clat (msec): min= 11, max= 813, avg=157.82, stdev=120.34 bw (KiB/s) : min= 0, max= 1060, per=61.22%, avg=372.84, stdev=323.67 cpu : usr=0.87%, sys=0.51%, ctx=16727 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=0.3%, 4=1.3%, 10=6.5%, 20=17.6%, 50=20.4%, 100=19.5% lat (msec): 250=29.0%, 500=4.3%, 750=0.4%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17108 read : io=47,956KiB, bw=817KiB/s, runt= 60056msec clat (msec): min= 2, max= 539, avg=78.98, stdev=83.87 bw (KiB/s) : min= 3, max= 4210, per=40.03%, avg=974.36, stdev=838.46 write: io=11,012KiB, bw=187KiB/s, runt= 60056msec clat (msec): min= 19, max= 651, avg=186.52, stdev=149.49 bw (KiB/s) : min= 0, max= 1287, per=44.70%, avg=272.24, stdev=277.62 cpu : usr=0.84%, sys=0.51%, ctx=14964 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=0.0%, 4=1.0%, 10=4.9%, 20=17.6%, 50=19.1%, 100=21.1% lat (msec): 250=27.0%, 500=7.2%, 750=1.5%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=139MiB, aggrb=2,434KiB/s, minb=705KiB/s, maxb=912KiB/s, mint=60016msec, maxt=60056msec WRITE: io=35,736KiB, aggrb=609KiB/s, minb=187KiB/s, maxb=213KiB/s, mint=60016msec, maxt=60056msec Disk stats (read/write): sda: ios=44678/528, merge=70/8503, ticks=155100/44048, in_queue=199136, util=99.69% 1.43user 0.94system 1:00.42elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+45770minor)pagefaults 0swaps