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] [ 3860/ 376 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 1464/ 1580 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 1544/ 1908 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4996/ 416 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3104/ 848 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 2308/ 8 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3240/ 272 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 4496/ 444 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2584/ 132 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4916/ 232 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 3272/ 48 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2368/ 604 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 1824/ 1620 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2812/ 140 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3348/ 464 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2192/ 1280 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3632/ 396 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3236/ 212 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 2716/ 632 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2200/ 716 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 1472/ 1152 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1024/ 1768 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1208/ 1104 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1804/ 676 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2612/ 888 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 3152/ 0 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 1604/ 1004 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1400/ 928 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1548/ 972 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 1480/ 432 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 992/ 944 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3496/ 188 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3520/ 212 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2884/ 1304 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2576/ 92 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1688/ 620 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2016/ 940 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1756/ 540 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2156/ 424 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2676/ 340 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2932/ 316 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2648/ 92 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 1868/ 472 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1552/ 260 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 840/ 580 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 2712/ 0 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 2188/ 0 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 4336/ 0 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 4140/ 348 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 2836/ 104 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 1428/ 1024 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1600/ 948 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1116/ 1060 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 1892/ 488 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1492/ 596 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 340/ 1108 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=3131 read : io=42,400KiB, bw=723KiB/s, runt= 60007msec clat (msec): min= 1, max= 651, avg=76.37, stdev=91.95 bw (KiB/s) : min= 6, max= 3120, per=42.24%, avg=1021.74, stdev=753.17 write: io=14,364KiB, bw=245KiB/s, runt= 60007msec clat (msec): min= 17, max= 1023, avg=172.15, stdev=141.30 bw (KiB/s) : min= 0, max= 1632, per=65.80%, avg=411.25, stdev=336.77 cpu : usr=0.61%, sys=0.56%, ctx=14403 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=1.4%, 10=7.2%, 20=15.0%, 50=19.0%, 100=20.0% lat (msec): 250=28.7%, 500=6.7%, 750=1.2%, 1000=0.0%, >=2000=0.2% fio: (groupid=0): err= 0: pid=3132 read : io=56,484KiB, bw=963KiB/s, runt= 60013msec clat (msec): min= 1, max= 516, avg=69.65, stdev=73.31 bw (KiB/s) : min= 6, max= 4284, per=46.95%, avg=1135.65, stdev=876.54 write: io=9,252KiB, bw=157KiB/s, runt= 60013msec clat (msec): min= 10, max= 1247, avg=189.28, stdev=186.17 bw (KiB/s) : min= 0, max= 1031, per=41.74%, avg=260.86, stdev=256.81 cpu : usr=0.71%, sys=0.57%, ctx=16584 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=0.7%, 10=5.9%, 20=21.0%, 50=21.4%, 100=18.0% lat (msec): 250=26.6%, 500=4.6%, 750=0.6%, 1000=0.0%, >=2000=0.3% fio: (groupid=0): err= 0: pid=3133 read : io=42,920KiB, bw=732KiB/s, runt= 60012msec clat (msec): min= 1, max= 412, avg=74.62, stdev=76.37 bw (KiB/s) : min= 14, max= 3649, per=40.44%, avg=978.27, stdev=795.71 write: io=13,052KiB, bw=222KiB/s, runt= 60012msec clat (msec): min= 14, max= 1164, avg=179.45, stdev=157.60 bw (KiB/s) : min= 0, max= 1346, per=54.48%, avg=340.49, stdev=316.93 cpu : usr=0.67%, sys=0.55%, ctx=14210 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=0.3%, 10=6.5%, 20=14.7%, 50=19.9%, 100=20.6% lat (msec): 250=29.5%, 500=6.9%, 750=0.5%, 1000=0.0%, >=2000=0.3% Run status group 0 (all jobs): READ: io=138MiB, aggrb=2,419KiB/s, minb=723KiB/s, maxb=963KiB/s, mint=60007msec, maxt=60013msec WRITE: io=36,668KiB, aggrb=625KiB/s, minb=157KiB/s, maxb=245KiB/s, mint=60007msec, maxt=60013msec Disk stats (read/write): sda: ios=44644/632, merge=43/8637, ticks=151744/51968, in_queue=203704, util=99.71% 1.19user 1.08system 1:00.27elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (44618major+1143minor)pagefaults 0swaps