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] [ 1092/ 1520 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 4564/ 724 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 2064/ 2660 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 5742/ 176 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 9618/ 1125 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 6245/ 1093 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 9114/ 2531 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5030/ 414 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 6452/ 463 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 4638/ 980 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 5292/ 428 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 8936/ 76 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4416/ 440 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 6412/ 216 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 1008/ 1852 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 5564/ 1172 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3196/ 772 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 5236/ 712 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 4440/ 432 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3912/ 984 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 2588/ 504 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 1596/ 1772 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 2980/ 968 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 3028/ 372 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1928/ 108 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2400/ 736 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 3696/ 1584 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 3612/ 264 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2176/ 1148 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2216/ 1600 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3720/ 656 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 3088/ 40 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 5464/ 396 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 3160/ 748 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3188/ 288 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1936/ 780 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 1912/ 188 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 932/ 1096 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 912/ 1316 kb/s] [eta 00m:19s] Threads: 3: [mmm] [70.0% done] [ 3040/ 944 kb/s] [eta 00m:18s] Threads: 3: [mmm] [71.7% done] [ 2344/ 980 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 2279/ 963 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 7948/ 373 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 5079/ 20 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1690/ 893 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 6196/ 507 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 6412/ 178 kb/s] [eta 00m:11s] Threads: 2: [m_m] [85.0% done] [ 21304/ 857 kb/s] [eta 00m:09s] Threads: 2: [m_m] [86.7% done] [ 4303/ 1243 kb/s] [eta 00m:08s] Threads: 2: [m_m] [88.3% done] [ 7452/ 0 kb/s] [eta 00m:07s] Threads: 2: [m_m] [90.0% done] [ 2881/ 1231 kb/s] [eta 00m:06s] Threads: 2: [m_m] [91.7% done] [ 6156/ 0 kb/s] [eta 00m:05s] Threads: 2: [m_m] [93.3% done] [ 3636/ 743 kb/s] [eta 00m:04s] Threads: 2: [m_m] [95.0% done] [ 3226/ 361 kb/s] [eta 00m:03s] Threads: 2: [m_m] [96.7% done] [ 6432/ 0 kb/s] [eta 00m:02s] Threads: 2: [m_m] [98.3% done] [ 4376/ 333 kb/s] [eta 00m:01s] Threads: 1: [__m] [100.0% done] [ 19029/ 182 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=21441 read : io=100MiB, bw=1,759KiB/s, runt= 59597msec clat (msec): min= 0, max= 670, avg=22.47, stdev=54.20 bw (KiB/s) : min= 3, max=22003, per=44.94%, avg=2068.57, stdev=2805.12 write: io=13,684KiB, bw=235KiB/s, runt= 59517msec clat (msec): min= 2, max= 620, avg=99.30, stdev=116.47 bw (KiB/s) : min= 0, max= 1425, per=48.51%, avg=367.71, stdev=378.90 cpu : usr=1.43%, sys=0.58%, ctx=13395 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=47.6%, 4=2.4%, 10=9.0%, 20=11.7%, 50=11.3%, 100=8.4% lat (msec): 250=7.2%, 500=2.0%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21442 read : io=100MiB, bw=2,080KiB/s, runt= 50404msec clat (msec): min= 0, max= 355, avg=17.35, stdev=44.92 bw (KiB/s) : min= 7, max= 7994, per=47.06%, avg=2166.38, stdev=2079.87 write: io=13,900KiB, bw=282KiB/s, runt= 50322msec clat (msec): min= 0, max= 652, avg=94.27, stdev=103.47 bw (KiB/s) : min= 0, max= 2976, per=61.78%, avg=468.30, stdev=558.04 cpu : usr=1.71%, sys=0.63%, ctx=8159 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=61.3%, 4=1.5%, 10=4.9%, 20=8.0%, 50=8.5%, 100=6.7% lat (msec): 250=7.2%, 500=1.7%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21443 read : io=65,032KiB, bw=1,109KiB/s, runt= 60016msec clat (msec): min= 0, max= 536, avg=45.83, stdev=57.13 bw (KiB/s) : min= 14, max= 3690, per=29.39%, avg=1352.63, stdev=1005.16 write: io=16,900KiB, bw=288KiB/s, runt= 60016msec clat (msec): min= 12, max= 431, avg=105.40, stdev=88.86 bw (KiB/s) : min= 0, max= 2253, per=59.48%, avg=450.87, stdev=457.15 cpu : usr=1.20%, sys=0.69%, ctx=20751 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=2.2%, 4=2.7%, 10=10.8%, 20=22.1%, 50=23.8%, 100=20.5% lat (msec): 250=15.1%, 500=2.4%, 750=0.1%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=264MiB, aggrb=4,603KiB/s, minb=1,109KiB/s, maxb=2,080KiB/s, mint=50404msec, maxt=60016msec WRITE: io=44,484KiB, aggrb=758KiB/s, minb=235KiB/s, maxb=288KiB/s, mint=50404msec, maxt=60016msec Disk stats (read/write): sda: ios=41503/829, merge=0/10374, ticks=138276/35812, in_queue=174080, util=99.73% 2.44user 1.08system 1:00.26elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+79742minor)pagefaults 0swaps