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] [ 2272/ 1320 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 3624/ 860 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 4508/ 200 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 2000/ 1432 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 2140/ 1216 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 1704/ 1736 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 3708/ 848 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 3120/ 92 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 3184/ 788 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 1172/ 1900 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 1344/ 1612 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 2576/ 372 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 2696/ 492 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 3816/ 616 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 2188/ 1212 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 1520/ 1364 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3740/ 820 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 4084/ 300 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 3348/ 160 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 2024/ 884 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 768/ 2088 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1476/ 992 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2052/ 460 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 1296/ 828 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 2940/ 320 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2148/ 540 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3396/ 456 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 2348/ 512 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2748/ 44 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 3588/ 384 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2008/ 1032 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 2244/ 640 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 2452/ 292 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 2024/ 480 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3732/ 292 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3496/ 76 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 2804/ 240 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 1704/ 1052 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 768/ 1156 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 2072/ 344 kb/s] [eta 00m:18s] Threads: 3: [mmm] [73.3% done] [ 1700/ 592 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 2328/ 384 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2928/ 628 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1588/ 1364 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 1165/ 1185 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1212/ 712 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1188/ 1748 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2248/ 908 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1544/ 732 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 3272/ 356 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 3456/ 236 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 2132/ 644 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 1564/ 0 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2212/ 268 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 2472/ 72 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2176/ 308 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=2610 read : io=45,976KiB, bw=784KiB/s, runt= 60044msec clat (msec): min= 2, max= 729, avg=72.14, stdev=90.43 bw (KiB/s) : min= 6, max= 4258, per=43.25%, avg=1039.78, stdev=849.84 write: io=13,876KiB, bw=236KiB/s, runt= 60043msec clat (msec): min= 19, max= 683, avg=176.36, stdev=129.83 bw (KiB/s) : min= 0, max= 1427, per=51.49%, avg=373.30, stdev=350.56 cpu : usr=0.96%, sys=0.56%, ctx=15313 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=0.0%, 4=0.5%, 10=7.2%, 20=18.5%, 50=21.1%, 100=18.3% lat (msec): 250=24.7%, 500=8.3%, 750=1.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2611 read : io=51,616KiB, bw=879KiB/s, runt= 60072msec clat (msec): min= 0, max= 381, avg=68.02, stdev=70.56 bw (KiB/s) : min= 44, max= 2700, per=45.24%, avg=1087.45, stdev=739.68 write: io=14,400KiB, bw=245KiB/s, runt= 60072msec clat (msec): min= 11, max= 831, avg=174.02, stdev=138.59 bw (KiB/s) : min= 0, max= 1399, per=50.78%, avg=368.14, stdev=315.28 cpu : usr=0.93%, sys=0.65%, ctx=16846 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=0.5%, 4=0.9%, 10=4.7%, 20=19.7%, 50=20.1%, 100=20.1% lat (msec): 250=26.8%, 500=5.9%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2612 read : io=43,484KiB, bw=741KiB/s, runt= 60088msec clat (msec): min= 1, max= 776, avg=75.30, stdev=93.64 bw (KiB/s) : min= 7, max= 3419, per=39.91%, avg=959.46, stdev=778.34 write: io=14,292KiB, bw=243KiB/s, runt= 60087msec clat (msec): min= 15, max= 678, avg=179.40, stdev=134.26 bw (KiB/s) : min= 0, max= 1285, per=53.34%, avg=386.70, stdev=332.95 cpu : usr=0.62%, sys=0.57%, ctx=14785 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=1.1%, 10=6.7%, 20=17.5%, 50=18.9%, 100=21.2% lat (msec): 250=25.1%, 500=7.5%, 750=1.1%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=138MiB, aggrb=2,404KiB/s, minb=741KiB/s, maxb=879KiB/s, mint=60044msec, maxt=60088msec WRITE: io=42,568KiB, aggrb=725KiB/s, minb=236KiB/s, maxb=245KiB/s, mint=60044msec, maxt=60088msec Disk stats (read/write): sda: ios=45927/622, merge=45/10076, ticks=150740/37936, in_queue=188668, util=99.77% 1.50user 1.08system 1:00.41elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (45911major+1145minor)pagefaults 0swaps