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] [6.0% done] [ 3006/ 10288 kb/s] [eta 00m:47s] Threads: 3: [mmm] [8.2% done] [ 5575/ 5575 kb/s] [eta 00m:45s] Threads: 3: [mmm] [9.3% done] [ 6830/ 3376 kb/s] [eta 00m:49s] Threads: 3: [mmm] [11.5% done] [ 8224/ 3311 kb/s] [eta 00m:46s] Threads: 3: [mmm] [13.2% done] [ 10154/ 739 kb/s] [eta 00m:46s] Threads: 3: [mmm] [15.7% done] [ 9882/ 3124 kb/s] [eta 00m:43s] Threads: 3: [mmm] [18.4% done] [ 7306/ 2486 kb/s] [eta 00m:40s] Threads: 3: [mmm] [20.4% done] [ 7330/ 2031 kb/s] [eta 00m:39s] Threads: 3: [mmm] [22.0% done] [ 3673/ 5420 kb/s] [eta 00m:39s] Threads: 3: [mmm] [23.1% done] [ 4754/ 3835 kb/s] [eta 00m:40s] Threads: 3: [mmm] [25.0% done] [ 8573/ 2657 kb/s] [eta 00m:39s] Threads: 3: [mmm] [26.9% done] [ 7042/ 3433 kb/s] [eta 00m:38s] Threads: 3: [mmm] [30.0% done] [ 5741/ 2966 kb/s] [eta 00m:35s] Threads: 3: [mmm] [31.4% done] [ 5493/ 2425 kb/s] [eta 00m:35s] Threads: 3: [mmm] [32.7% done] [ 5522/ 1938 kb/s] [eta 00m:35s] Threads: 3: [mmm] [36.7% done] [ 1255/ 9480 kb/s] [eta 00m:31s] Threads: 3: [mmm] [38.0% done] [ 7383/ 3632 kb/s] [eta 00m:31s] Threads: 3: [mmm] [40.0% done] [ 9495/ 975 kb/s] [eta 00m:30s] Threads: 3: [mmm] [41.2% done] [ 5428/ 2212 kb/s] [eta 00m:30s] Threads: 3: [mmm] [42.3% done] [ 4372/ 1437 kb/s] [eta 00m:30s] Threads: 3: [mmm] [43.4% done] [ 3328/ 1636 kb/s] [eta 00m:30s] Threads: 3: [mmm] [46.2% done] [ 4020/ 1284 kb/s] [eta 00m:28s] Threads: 3: [mmm] [48.1% done] [ 2636/ 2536 kb/s] [eta 00m:27s] Threads: 3: [mmm] [49.1% done] [ 2080/ 560 kb/s] [eta 00m:27s] Threads: 3: [mmm] [50.0% done] [ 1784/ 1104 kb/s] [eta 00m:27s] Threads: 3: [mmm] [50.0% done] [ 1784/ 600 kb/s] [eta 00m:28s] Threads: 3: [mmm] [51.8% done] [ 3068/ 140 kb/s] [eta 00m:27s] Threads: 3: [mmm] [51.7% done] [ 2072/ 608 kb/s] [eta 00m:28s] Threads: 3: [mmm] [52.5% done] [ 2604/ 804 kb/s] [eta 00m:28s] Threads: 3: [mmm] [53.3% done] [ 2064/ 1504 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 2472/ 1052 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1588/ 2004 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1212/ 1808 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 1008/ 2308 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 3136/ 472 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 3692/ 36 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 4084/ 1384 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 5680/ 40 kb/s] [eta 00m:20s] Threads: 3: [mFm] [68.3% done] [ 2636/ 2304 kb/s] [eta 00m:19s] Threads: 3: [mFF] [70.0% done] [ 3764/ 1404 kb/s] [eta 00m:18s] Threads: 3: [mFF] [71.7% done] [ 608/ 0 kb/s] [eta 00m:17s] Threads: 2: [mEF] [73.3% done] [ 31928/ 0 kb/s] [eta 00m:16s] Threads: 2: [m_V] [75.0% done] [ 16660/ 0 kb/s] [eta 00m:15s] Threads: 1: [m__] [76.7% done] [ 19100/ 3448 kb/s] [eta 00m:14s] Threads: 1: [F__] [100.0% done] [ 2728/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [82.8% done] [ 23984/ 0 kb/s] [eta 00m:10s] fio: (groupid=0): err= 0: pid=23807 read : io=100MiB, bw=2,147KiB/s, runt= 48828msec clat (msec): min= 0, max= 554, avg=17.69, stdev=53.99 bw (KiB/s) : min= 6, max= 8030, per=24.11%, avg=1552.94, stdev=1866.89 write: io=41,600KiB, bw=876KiB/s, runt= 48591msec clat (msec): min= 0, max= 457, avg=26.74, stdev=61.60 bw (KiB/s) : min= 0, max= 7437, per=63.38%, avg=1377.23, stdev=1614.25 cpu : usr=2.05%, sys=0.65%, ctx=8132 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=70.4%, 4=1.8%, 10=4.8%, 20=7.2%, 50=3.8%, 100=4.0% lat (msec): 250=6.5%, 500=1.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23808 read : io=100MiB, bw=2,357KiB/s, runt= 44487msec clat (msec): min= 0, max= 597, avg=16.09, stdev=50.07 bw (KiB/s) : min= 7, max= 7619, per=29.99%, avg=1932.26, stdev=1947.32 write: io=31,524KiB, bw=728KiB/s, runt= 44302msec clat (msec): min= 0, max= 369, avg=24.61, stdev=58.62 bw (KiB/s) : min= 0, max= 5832, per=60.18%, avg=1307.68, stdev=1598.08 cpu : usr=2.09%, sys=0.58%, ctx=6641 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=71.7%, 4=1.8%, 10=4.9%, 20=6.3%, 50=4.2%, 100=4.8% lat (msec): 250=4.8%, 500=1.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=23809 read : io=100MiB, bw=2,292KiB/s, runt= 45736msec clat (msec): min= 0, max= 445, avg=17.45, stdev=47.58 bw (KiB/s) : min= 3, max= 7055, per=31.54%, avg=2031.97, stdev=1950.86 write: io=30,020KiB, bw=674KiB/s, runt= 45556msec clat (msec): min= 0, max= 490, avg=26.99, stdev=60.71 bw (KiB/s) : min= 0, max= 7978, per=73.75%, avg=1602.55, stdev=2128.08 cpu : usr=2.02%, sys=0.57%, ctx=8015 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=67.7%, 4=1.3%, 10=5.2%, 20=8.0%, 50=4.9%, 100=6.1% lat (msec): 250=5.8%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=6,442KiB/s, minb=2,147KiB/s, maxb=2,357KiB/s, mint=44487msec, maxt=48828msec WRITE: io=101MiB, aggrb=2,173KiB/s, minb=674KiB/s, maxb=876KiB/s, mint=44487msec, maxt=48828msec Disk stats (read/write): sda: ios=22685/1187, merge=89/24682, ticks=129704/2017508, in_queue=2147204, util=98.67% 2.86user 0.92system 0:49.31elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+103711minor)pagefaults 0swaps