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] [ 4572/ 937 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5663/ 413 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5356/ 807 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 4907/ 1295 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 3347/ 2524 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5702/ 429 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4879/ 795 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5021/ 771 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 5379/ 760 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5635/ 149 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5702/ 0 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 4332/ 1055 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 5624/ 492 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 4773/ 535 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 4812/ 452 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2682/ 1941 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 5183/ 0 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5541/ 0 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 5328/ 232 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 4616/ 388 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 5004/ 620 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 3436/ 476 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 1916/ 2144 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 5028/ 144 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 5440/ 224 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 3768/ 528 kb/s] [eta 00m:32s] Threads: 3: [mmm] [50.0% done] [ 3452/ 644 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 4376/ 104 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3924/ 764 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3376/ 620 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 4952/ 0 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 3592/ 0 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3388/ 896 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3572/ 440 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3680/ 244 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 4196/ 268 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 3420/ 432 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 2828/ 684 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2124/ 976 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 3448/ 200 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 3960/ 332 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 3224/ 368 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 3832/ 188 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 2824/ 332 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 3492/ 268 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 3786/ 281 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 3579/ 377 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 3762/ 32 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 4234/ 8 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 4303/ 81 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3575/ 12 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 3486/ 89 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 4002/ 203 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 3709/ 36 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 3791/ 0 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 3348/ 292 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=16523 read : io=75,892KiB, bw=1,294KiB/s, runt= 60012msec clat (msec): min= 0, max= 298, avg=36.34, stdev=58.89 bw (KiB/s) : min= 20, max= 4980, per=40.74%, avg=1708.29, stdev=1231.37 write: io=10,280KiB, bw=175KiB/s, runt= 60012msec clat (msec): min= 28, max= 457, avg=201.95, stdev=117.51 bw (KiB/s) : min= 0, max= 1167, per=49.41%, avg=237.16, stdev=241.92 cpu : usr=1.09%, sys=0.71%, ctx=21687 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=2.4%, 4=4.0%, 10=14.4%, 20=42.1%, 50=12.5%, 100=4.4% lat (msec): 250=15.6%, 500=4.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16524 read : io=84,208KiB, bw=1,436KiB/s, runt= 60015msec clat (msec): min= 0, max= 280, avg=30.61, stdev=53.74 bw (KiB/s) : min= 8, max= 3967, per=44.26%, avg=1855.84, stdev=1066.41 write: io=9,684KiB, bw=165KiB/s, runt= 60015msec clat (msec): min= 46, max= 465, avg=189.37, stdev=103.05 bw (KiB/s) : min= 0, max= 1391, per=57.89%, avg=277.88, stdev=284.66 cpu : usr=1.19%, sys=0.69%, ctx=23636 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=4.9%, 10=16.4%, 20=38.2%, 50=12.0%, 100=3.4% lat (msec): 250=13.7%, 500=2.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16525 read : io=85,656KiB, bw=1,461KiB/s, runt= 60016msec clat (msec): min= 0, max= 312, avg=31.59, stdev=54.05 bw (KiB/s) : min= 11, max= 4667, per=42.34%, avg=1775.12, stdev=1040.00 write: io=8,224KiB, bw=140KiB/s, runt= 60016msec clat (msec): min= 9, max= 470, avg=178.16, stdev=108.06 bw (KiB/s) : min= 0, max= 937, per=48.98%, avg=235.11, stdev=231.98 cpu : usr=1.21%, sys=0.80%, ctx=23629 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=6.9%, 4=5.9%, 10=17.3%, 20=39.0%, 50=11.3%, 100=3.4% lat (msec): 250=13.8%, 500=2.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=240MiB, aggrb=4,193KiB/s, minb=1,294KiB/s, maxb=1,461KiB/s, mint=60012msec, maxt=60016msec WRITE: io=28,188KiB, aggrb=480KiB/s, minb=140KiB/s, maxb=175KiB/s, mint=60012msec, maxt=60016msec Disk stats (read/write): sda: ios=68486/465, merge=0/6659, ticks=143312/44468, in_queue=187764, util=99.81% 2.11user 1.33system 1:00.34elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (68486major+1145minor)pagefaults 0swaps