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] [ 2452/ 4268 kb/s] [eta 00m:57s] Threads: 3: [mmm] [6.7% done] [ 5888/ 2352 kb/s] [eta 00m:56s] Threads: 3: [mmm] [8.3% done] [ 5568/ 2112 kb/s] [eta 00m:55s] Threads: 3: [mmm] [10.0% done] [ 3052/ 3452 kb/s] [eta 00m:54s] Threads: 3: [mmm] [11.7% done] [ 4616/ 1524 kb/s] [eta 00m:53s] Threads: 3: [mmm] [13.3% done] [ 5460/ 2160 kb/s] [eta 00m:52s] Threads: 3: [mmm] [15.0% done] [ 4588/ 2676 kb/s] [eta 00m:51s] Threads: 3: [mmm] [16.7% done] [ 5100/ 4524 kb/s] [eta 00m:50s] Threads: 3: [mmm] [18.3% done] [ 2564/ 3908 kb/s] [eta 00m:49s] Threads: 3: [mmm] [20.0% done] [ 5528/ 400 kb/s] [eta 00m:48s] Threads: 3: [mmm] [21.7% done] [ 1932/ 4956 kb/s] [eta 00m:47s] Threads: 3: [mmm] [23.3% done] [ 5564/ 4920 kb/s] [eta 00m:46s] Threads: 3: [mmm] [25.0% done] [ 4256/ 2722 kb/s] [eta 00m:45s] Threads: 3: [mmm] [26.7% done] [ 2744/ 3072 kb/s] [eta 00m:44s] Threads: 3: [mmm] [28.3% done] [ 5076/ 1452 kb/s] [eta 00m:43s] Threads: 3: [mmm] [30.0% done] [ 2226/ 4472 kb/s] [eta 00m:42s] Threads: 3: [mmm] [31.7% done] [ 3888/ 2596 kb/s] [eta 00m:41s] Threads: 3: [mmm] [33.3% done] [ 3964/ 1460 kb/s] [eta 00m:40s] Threads: 3: [mmm] [35.0% done] [ 6664/ 1116 kb/s] [eta 00m:39s] Threads: 3: [mmm] [36.7% done] [ 3984/ 1452 kb/s] [eta 00m:38s] Threads: 3: [mmm] [38.3% done] [ 3196/ 2648 kb/s] [eta 00m:37s] Threads: 3: [mmm] [40.0% done] [ 6316/ 1612 kb/s] [eta 00m:36s] Threads: 3: [mmm] [41.7% done] [ 4288/ 1204 kb/s] [eta 00m:35s] Threads: 3: [mmm] [43.3% done] [ 2440/ 1176 kb/s] [eta 00m:34s] Threads: 3: [mmm] [45.0% done] [ 1592/ 3084 kb/s] [eta 00m:33s] Threads: 3: [mmm] [46.7% done] [ 2680/ 616 kb/s] [eta 00m:32s] Threads: 3: [mmm] [48.3% done] [ 968/ 2472 kb/s] [eta 00m:31s] Threads: 3: [mmm] [50.0% done] [ 1292/ 692 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 2416/ 316 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 772/ 1520 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 1544/ 672 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1688/ 1012 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 364/ 2288 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1200/ 1628 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1496/ 948 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 1980/ 236 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 988/ 716 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 636/ 2124 kb/s] [eta 00m:20s] Threads: 3: [mmm] [68.3% done] [ 1128/ 796 kb/s] [eta 00m:19s] Threads: 3: [mmm] [71.7% done] [ 1332/ 1316 kb/s] [eta 00m:17s] Threads: 3: [mmm] [73.3% done] [ 1468/ 556 kb/s] [eta 00m:16s] Threads: 3: [mmm] [75.0% done] [ 1280/ 820 kb/s] [eta 00m:15s] Threads: 3: [mmm] [76.7% done] [ 2168/ 180 kb/s] [eta 00m:14s] Threads: 3: [mmm] [78.3% done] [ 1004/ 1204 kb/s] [eta 00m:13s] Threads: 3: [mmm] [80.0% done] [ 392/ 1792 kb/s] [eta 00m:12s] Threads: 3: [mmm] [81.7% done] [ 1412/ 720 kb/s] [eta 00m:11s] Threads: 3: [mmm] [83.3% done] [ 1528/ 304 kb/s] [eta 00m:10s] Threads: 3: [mmm] [85.0% done] [ 2100/ 328 kb/s] [eta 00m:09s] Threads: 3: [mmm] [86.7% done] [ 1804/ 792 kb/s] [eta 00m:08s] Threads: 3: [mmm] [88.3% done] [ 824/ 1120 kb/s] [eta 00m:07s] Threads: 3: [mmm] [90.0% done] [ 2292/ 472 kb/s] [eta 00m:06s] Threads: 3: [mmm] [91.7% done] [ 1336/ 780 kb/s] [eta 00m:05s] Threads: 3: [mmm] [93.3% done] [ 2080/ 916 kb/s] [eta 00m:04s] Threads: 3: [mmm] [95.0% done] [ 2440/ 420 kb/s] [eta 00m:03s] Threads: 3: [mmm] [96.7% done] [ 1436/ 2468 kb/s] [eta 00m:02s] Threads: 3: [mmm] [98.3% done] [ 2636/ 1072 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 2436/ 2088 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=26944 read : io=50,900KiB, bw=794KiB/s, runt= 65566msec clat (msec): min= 0, max= 752, avg=57.34, stdev=101.29 bw (KiB/s) : min= 2, max= 4234, per=34.44%, avg=1086.31, stdev=1130.23 write: io=30,420KiB, bw=475KiB/s, runt= 65561msec clat (msec): min= 0, max= 880, avg=61.29, stdev=110.02 bw (KiB/s) : min= 0, max= 5931, per=44.52%, avg=752.02, stdev=956.53 cpu : usr=0.97%, sys=0.34%, ctx=7280 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=51.3%, 4=0.5%, 10=1.7%, 20=6.2%, 50=8.2%, 100=10.4% lat (msec): 250=14.5%, 500=6.0%, 750=0.6%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26945 read : io=100MiB, bw=1,594KiB/s, runt= 65767msec clat (msec): min= 0, max= 569, avg=20.28, stdev=52.47 bw (KiB/s) : min= 5, max= 6963, per=38.70%, avg=1220.72, stdev=1382.16 write: io=39,884KiB, bw=623KiB/s, runt= 65539msec clat (msec): min= 0, max= 494, avg=37.84, stdev=73.18 bw (KiB/s) : min= 0, max= 5352, per=63.76%, avg=1076.85, stdev=1328.25 cpu : usr=1.44%, sys=0.46%, ctx=9156 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=66.0%, 4=1.8%, 10=4.1%, 20=6.1%, 50=5.9%, 100=6.7% lat (msec): 250=7.8%, 500=1.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26946 read : io=49,288KiB, bw=770KiB/s, runt= 65506msec clat (msec): min= 0, max= 498, avg=47.95, stdev=80.03 bw (KiB/s) : min= 1, max= 5501, per=32.32%, avg=1019.32, stdev=1073.32 write: io=37,840KiB, bw=591KiB/s, runt= 65501msec clat (msec): min= 0, max= 810, avg=52.76, stdev=89.60 bw (KiB/s) : min= 0, max= 4035, per=59.88%, avg=1011.41, stdev=1098.56 cpu : usr=1.07%, sys=0.36%, ctx=7759 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=51.2%, 4=0.9%, 10=2.8%, 20=5.8%, 50=7.7%, 100=11.0% lat (msec): 250=16.8%, 500=3.3%, 750=0.1%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=198MiB, aggrb=3,154KiB/s, minb=770KiB/s, maxb=1,594KiB/s, mint=65506msec, maxt=65767msec WRITE: io=106MiB, aggrb=1,689KiB/s, minb=475KiB/s, maxb=623KiB/s, mint=65506msec, maxt=65767msec Disk stats (read/write): sda: ios=24099/1338, merge=0/25768, ticks=177400/5890476, in_queue=6067876, util=99.55% 2.29user 0.80system 1:06.02elapsed 4%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (24099major+54757minor)pagefaults 0swaps