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] [ 3928/ 1564 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5496/ 492 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5728/ 504 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5276/ 52 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5124/ 332 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 6280/ 0 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 5212/ 484 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4912/ 308 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 5460/ 256 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5616/ 568 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3520/ 1856 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5084/ 940 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3696/ 756 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5504/ 204 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5180/ 252 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4652/ 564 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5904/ 56 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4576/ 308 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3888/ 960 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2588/ 1148 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4224/ 1244 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3040/ 976 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4936/ 244 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 5080/ 176 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2624/ 1572 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 3340/ 452 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 4228/ 688 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 4848/ 148 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4160/ 456 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3860/ 464 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4604/ 228 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4808/ 384 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3968/ 280 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3368/ 640 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3464/ 196 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1656/ 2184 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3992/ 64 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 4016/ 216 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3332/ 956 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 4148/ 44 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2844/ 884 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2908/ 652 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2944/ 456 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 3756/ 24 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 4040/ 188 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3616/ 220 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3068/ 628 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3392/ 528 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 2344/ 656 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3812/ 540 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3504/ 56 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3680/ 0 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1600/ 976 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3472/ 96 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2560/ 356 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3840/ 84 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=14615 read : io=73,912KiB, bw=1,261KiB/s, runt= 60007msec clat (msec): min= 0, max= 1258, avg=34.58, stdev=67.46 bw (KiB/s) : min= 7, max= 4030, per=40.96%, avg=1658.12, stdev=1025.15 write: io=11,624KiB, bw=198KiB/s, runt= 60007msec clat (msec): min= 17, max= 449, avg=170.26, stdev=106.65 bw (KiB/s) : min= 0, max= 1606, per=60.89%, avg=331.84, stdev=354.68 cpu : usr=0.97%, sys=0.77%, ctx=21573 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=4.5%, 4=4.4%, 10=17.0%, 20=39.9%, 50=11.3%, 100=4.6% lat (msec): 250=15.6%, 500=2.3%, 750=0.0%, 1000=0.0%, >=2000=0.1% fio: (groupid=0): err= 0: pid=14616 read : io=82,616KiB, bw=1,409KiB/s, runt= 60000msec clat (msec): min= 0, max= 294, avg=31.77, stdev=52.96 bw (KiB/s) : min= 6, max= 4333, per=44.29%, avg=1792.86, stdev=1169.82 write: io=9,764KiB, bw=166KiB/s, runt= 60000msec clat (msec): min= 13, max= 472, avg=166.45, stdev=95.81 bw (KiB/s) : min= 0, max= 1386, per=50.78%, avg=276.73, stdev=306.80 cpu : usr=1.29%, sys=0.73%, ctx=23281 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=7.0%, 4=5.7%, 10=15.7%, 20=36.8%, 50=12.5%, 100=5.0% lat (msec): 250=14.6%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=14617 read : io=80,808KiB, bw=1,378KiB/s, runt= 60031msec clat (msec): min= 0, max= 254, avg=31.90, stdev=53.28 bw (KiB/s) : min= 3, max= 6072, per=45.93%, avg=1859.08, stdev=1322.25 write: io=10,588KiB, bw=180KiB/s, runt= 60031msec clat (msec): min= 20, max= 471, avg=181.90, stdev=121.73 bw (KiB/s) : min= 0, max= 947, per=47.34%, avg=257.98, stdev=223.03 cpu : usr=1.19%, sys=0.76%, ctx=23060 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=5.5%, 4=4.3%, 10=16.2%, 20=38.4%, 50=13.3%, 100=4.7% lat (msec): 250=14.4%, 500=2.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=232MiB, aggrb=4,048KiB/s, minb=1,261KiB/s, maxb=1,409KiB/s, mint=60000msec, maxt=60031msec WRITE: io=31,976KiB, aggrb=545KiB/s, minb=166KiB/s, maxb=198KiB/s, mint=60000msec, maxt=60031msec Disk stats (read/write): sda: ios=67328/602, merge=0/7463, ticks=141040/55596, in_queue=196632, util=99.65% 2.07user 1.43system 1:00.41elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (67327major+1150minor)pagefaults 0swaps