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] [ 4600/ 1256 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4840/ 824 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 6964/ 284 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5524/ 56 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4932/ 400 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 4832/ 540 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 6144/ 392 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5832/ 140 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 4620/ 800 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5028/ 716 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 4676/ 1008 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5896/ 220 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 3704/ 1580 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4196/ 620 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 3044/ 1420 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 4624/ 796 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5148/ 208 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4740/ 76 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4696/ 116 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4140/ 464 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2948/ 1180 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 2204/ 1524 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 3772/ 712 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 4976/ 216 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 4368/ 408 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 5404/ 52 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 5544/ 80 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 4620/ 164 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 3976/ 476 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 4252/ 264 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 4192/ 228 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4668/ 416 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3424/ 604 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 4240/ 424 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 2708/ 816 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 4492/ 256 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3848/ 220 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 3200/ 1008 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 3816/ 540 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 3372/ 260 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3068/ 500 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1224/ 1884 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 4084/ 440 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1368/ 1700 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 2124/ 1040 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3404/ 424 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 4024/ 92 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 4048/ 44 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 3588/ 96 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3556/ 60 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3620/ 104 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3932/ 60 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 3784/ 48 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2672/ 748 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3368/ 612 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3804/ 24 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=4138 read : io=85,228KiB, bw=1,454KiB/s, runt= 60006msec clat (msec): min= 0, max= 335, avg=29.93, stdev=49.74 bw (KiB/s) : min= 9, max= 4842, per=46.88%, avg=1944.42, stdev=1171.18 write: io=9,376KiB, bw=160KiB/s, runt= 60006msec clat (msec): min= 14, max= 467, avg=163.29, stdev=116.06 bw (KiB/s) : min= 0, max= 1020, per=50.98%, avg=265.58, stdev=265.33 cpu : usr=1.18%, sys=0.81%, ctx=23841 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=8.5%, 4=3.9%, 10=16.4%, 20=39.9%, 50=10.3%, 100=5.0% lat (msec): 250=13.3%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4139 read : io=75,388KiB, bw=1,285KiB/s, runt= 60035msec clat (msec): min= 0, max= 892, avg=33.83, stdev=62.27 bw (KiB/s) : min= 3, max= 5016, per=41.83%, avg=1735.24, stdev=1218.61 write: io=11,568KiB, bw=197KiB/s, runt= 60035msec clat (msec): min= 7, max= 472, avg=168.24, stdev=124.10 bw (KiB/s) : min= 0, max= 1237, per=61.11%, avg=318.38, stdev=304.71 cpu : usr=1.24%, sys=0.77%, ctx=21934 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=5.3%, 4=4.3%, 10=15.1%, 20=40.5%, 50=11.4%, 100=5.1% lat (msec): 250=15.1%, 500=2.8%, 750=0.0%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4140 read : io=82,596KiB, bw=1,409KiB/s, runt= 60027msec clat (msec): min= 0, max= 280, avg=30.81, stdev=50.50 bw (KiB/s) : min= 8, max= 4021, per=46.26%, avg=1918.84, stdev=1248.23 write: io=9,628KiB, bw=164KiB/s, runt= 60027msec clat (msec): min= 5, max= 493, avg=174.32, stdev=133.90 bw (KiB/s) : min= 0, max= 988, per=46.96%, avg=244.64, stdev=254.17 cpu : usr=1.23%, sys=0.79%, ctx=23246 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=5.8%, 4=5.4%, 10=17.2%, 20=37.5%, 50=11.8%, 100=6.0% lat (msec): 250=13.1%, 500=2.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=238MiB, aggrb=4,148KiB/s, minb=1,285KiB/s, maxb=1,454KiB/s, mint=60006msec, maxt=60035msec WRITE: io=30,572KiB, aggrb=521KiB/s, minb=160KiB/s, maxb=197KiB/s, mint=60006msec, maxt=60035msec Disk stats (read/write): sda: ios=68446/596, merge=0/7130, ticks=142000/46912, in_queue=188908, util=99.72% 2.19user 1.56system 1:00.39elapsed 6%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (68446major+1144minor)pagefaults 0swaps