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] [ 6172/ 0 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5528/ 956 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5616/ 0 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5132/ 428 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 5548/ 664 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 3628/ 1280 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3548/ 376 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5132/ 1248 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 5276/ 264 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5516/ 228 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4508/ 504 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5132/ 284 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5932/ 20 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 5960/ 424 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4944/ 576 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5180/ 456 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5440/ 0 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5452/ 0 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3488/ 992 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4100/ 648 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 4712/ 424 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 4280/ 344 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4664/ 456 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3908/ 492 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2732/ 1644 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 4036/ 380 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3824/ 628 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 4304/ 204 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3232/ 576 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2344/ 1728 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3852/ 524 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3316/ 524 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3424/ 512 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 5024/ 224 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3764/ 356 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 2848/ 692 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3664/ 288 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 3880/ 228 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3876/ 408 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 2580/ 1092 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3600/ 356 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3948/ 108 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3552/ 92 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 4128/ 364 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3628/ 216 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3528/ 84 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3380/ 256 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3980/ 336 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3480/ 236 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3048/ 464 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2532/ 724 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3892/ 116 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3948/ 44 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3844/ 28 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2856/ 332 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 4056/ 16 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=2394 read : io=94,728KiB, bw=1,616KiB/s, runt= 60018msec clat (msec): min= 0, max= 260, avg=25.73, stdev=45.94 bw (KiB/s) : min= 5, max= 5226, per=47.29%, avg=1961.51, stdev=1149.50 write: io=6,724KiB, bw=114KiB/s, runt= 60017msec clat (msec): min= 2, max= 458, avg=180.04, stdev=115.97 bw (KiB/s) : min= 0, max= 993, per=42.46%, avg=197.43, stdev=245.67 cpu : usr=1.25%, sys=0.89%, ctx=25581 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=13.1%, 4=6.2%, 10=18.0%, 20=36.7%, 50=10.4%, 100=3.2% lat (msec): 250=10.4%, 500=1.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2395 read : io=76,216KiB, bw=1,299KiB/s, runt= 60041msec clat (msec): min= 0, max= 292, avg=33.82, stdev=54.09 bw (KiB/s) : min= 12, max= 4135, per=43.54%, avg=1806.04, stdev=1140.28 write: io=10,528KiB, bw=179KiB/s, runt= 60040msec clat (msec): min= 8, max= 532, avg=204.21, stdev=124.81 bw (KiB/s) : min= 0, max= 1027, per=54.10%, avg=251.54, stdev=242.99 cpu : usr=1.06%, sys=0.73%, ctx=21956 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=4.7%, 4=3.5%, 10=15.4%, 20=40.2%, 50=13.4%, 100=3.4% lat (msec): 250=15.5%, 500=3.5%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2396 read : io=72,372KiB, bw=1,234KiB/s, runt= 60055msec clat (msec): min= 0, max= 413, avg=36.36, stdev=57.89 bw (KiB/s) : min= 26, max= 3953, per=42.06%, avg=1744.71, stdev=1108.29 write: io=10,032KiB, bw=171KiB/s, runt= 60055msec clat (msec): min= 15, max= 469, avg=217.29, stdev=131.79 bw (KiB/s) : min= 0, max= 1089, per=56.37%, avg=262.13, stdev=253.81 cpu : usr=1.14%, sys=0.74%, ctx=20872 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=1.9%, 4=3.4%, 10=13.2%, 20=43.7%, 50=13.3%, 100=4.5% lat (msec): 250=14.8%, 500=4.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=238MiB, aggrb=4,148KiB/s, minb=1,234KiB/s, maxb=1,616KiB/s, mint=60018msec, maxt=60055msec WRITE: io=27,284KiB, aggrb=465KiB/s, minb=114KiB/s, maxb=179KiB/s, mint=60018msec, maxt=60055msec Disk stats (read/write): sda: ios=67650/480, merge=0/6421, ticks=142628/42412, in_queue=185036, util=99.72% 2.07user 1.56system 1:00.37elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (67650major+1143minor)pagefaults 0swaps