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] [ 9880/ 1812 kb/s] [eta 00m:57s] Threads: 3: [mmm] [8.3% done] [ 5964/ 4268 kb/s] [eta 00m:44s] Threads: 3: [mmm] [10.2% done] [ 11812/ 0 kb/s] [eta 00m:44s] Threads: 3: [mmm] [13.0% done] [ 7000/ 3064 kb/s] [eta 00m:40s] Threads: 3: [mmm] [15.2% done] [ 8664/ 0 kb/s] [eta 00m:39s] Threads: 3: [mmm] [17.8% done] [ 9272/ 1124 kb/s] [eta 00m:37s] Threads: 3: [mmm] [19.6% done] [ 9155/ 0 kb/s] [eta 00m:37s] Threads: 3: [mmm] [21.3% done] [ 5555/ 3308 kb/s] [eta 00m:37s] Threads: 3: [mmm] [23.9% done] [ 5104/ 7016 kb/s] [eta 00m:35s] Threads: 3: [mmm] [25.0% done] [ 6528/ 1764 kb/s] [eta 00m:36s] Threads: 3: [mmm] [27.1% done] [ 7620/ 2176 kb/s] [eta 00m:35s] Threads: 3: [mmm] [29.8% done] [ 1944/ 9592 kb/s] [eta 00m:33s] Threads: 3: [mmm] [32.6% done] [ 9728/ 1568 kb/s] [eta 00m:31s] Threads: 3: [mmm] [34.8% done] [ 4059/ 4197 kb/s] [eta 00m:30s] Threads: 3: [mmm] [37.0% done] [ 7931/ 2454 kb/s] [eta 00m:29s] Threads: 3: [mmm] [37.5% done] [ 10207/ 146 kb/s] [eta 00m:30s] Threads: 3: [mmm] [39.6% done] [ 3738/ 7159 kb/s] [eta 00m:29s] Threads: 3: [mmm] [40.8% done] [ 5948/ 2340 kb/s] [eta 00m:29s] Threads: 3: [mmm] [43.8% done] [ 7367/ 113 kb/s] [eta 00m:27s] Threads: 3: [mmm] [44.9% done] [ 1198/ 5282 kb/s] [eta 00m:27s] Threads: 3: [mmm] [46.0% done] [ 2005/ 1504 kb/s] [eta 00m:27s] Threads: 3: [mmm] [46.2% done] [ 2283/ 398 kb/s] [eta 00m:28s] Threads: 3: [mmm] [47.2% done] [ 727/ 2413 kb/s] [eta 00m:28s] Threads: 3: [mmm] [47.3% done] [ 341/ 1621 kb/s] [eta 00m:29s] Threads: 3: [mmm] [48.2% done] [ 2145/ 914 kb/s] [eta 00m:29s] Threads: 3: [mmm] [48.3% done] [ 2157/ 1214 kb/s] [eta 00m:30s] Threads: 3: [mmm] [49.2% done] [ 1800/ 1076 kb/s] [eta 00m:30s] Threads: 3: [mmm] [50.0% done] [ 1105/ 1812 kb/s] [eta 00m:30s] Threads: 3: [mmm] [51.7% done] [ 1499/ 1202 kb/s] [eta 00m:29s] Threads: 3: [mmm] [53.3% done] [ 2373/ 747 kb/s] [eta 00m:28s] Threads: 3: [mmm] [55.0% done] [ 3393/ 125 kb/s] [eta 00m:27s] Threads: 3: [mmm] [56.7% done] [ 1308/ 992 kb/s] [eta 00m:26s] Threads: 3: [mmm] [58.3% done] [ 1028/ 1588 kb/s] [eta 00m:25s] Threads: 3: [mmm] [60.0% done] [ 952/ 1820 kb/s] [eta 00m:24s] Threads: 3: [mmm] [61.7% done] [ 1064/ 2908 kb/s] [eta 00m:23s] Threads: 3: [mmm] [63.3% done] [ 664/ 1912 kb/s] [eta 00m:22s] Threads: 3: [mmm] [65.0% done] [ 3344/ 608 kb/s] [eta 00m:21s] Threads: 3: [mmm] [66.7% done] [ 500/ 3772 kb/s] [eta 00m:20s] Threads: 3: [mFm] [68.3% done] [ 3696/ 2408 kb/s] [eta 00m:19s] Threads: 3: [mFm] [70.0% done] [ 4200/ 0 kb/s] [eta 00m:18s] Threads: 3: [mFm] [71.7% done] [ 2644/ 2656 kb/s] [eta 00m:17s] Threads: 3: [mFm] [73.3% done] [ 1788/ 2304 kb/s] [eta 00m:16s] Threads: 3: [FFm] [75.0% done] [ 3532/ 2680 kb/s] [eta 00m:15s] Threads: 3: [FFm] [76.7% done] [ 508/ 0 kb/s] [eta 00m:14s] Threads: 3: [FFm] [78.3% done] [ 20/ 392 kb/s] [eta 00m:13s] Threads: 1: [__m] [80.0% done] [ 64936/ 956 kb/s] [eta 00m:12s] Threads: 1: [__m] [81.7% done] [ 548/ 1064 kb/s] [eta 00m:11s] Threads: 1: [__m] [83.3% done] [ 1080/ 560 kb/s] [eta 00m:10s] Threads: 1: [__m] [85.0% done] [ 1860/ 392 kb/s] [eta 00m:09s] fio: (groupid=0): err= 0: pid=25051 read : io=100MiB, bw=2,167KiB/s, runt= 48387msec clat (msec): min= 0, max= 449, avg=16.90, stdev=49.53 bw (KiB/s) : min= 12, max= 6392, per=31.65%, avg=1896.22, stdev=1689.07 write: io=34,268KiB, bw=728KiB/s, runt= 48182msec clat (msec): min= 0, max= 661, avg=25.50, stdev=62.85 bw (KiB/s) : min= 0, max= 8369, per=66.23%, avg=1328.62, stdev=1823.05 cpu : usr=1.96%, sys=0.75%, ctx=9176 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=67.9%, 4=2.0%, 10=4.6%, 20=8.4%, 50=5.9%, 100=4.4% lat (msec): 250=5.6%, 500=1.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25052 read : io=100MiB, bw=2,164KiB/s, runt= 48452msec clat (msec): min= 0, max= 503, avg=17.43, stdev=52.09 bw (KiB/s) : min= 6, max= 9544, per=34.30%, avg=2054.98, stdev=2015.64 write: io=27,456KiB, bw=582KiB/s, runt= 48282msec clat (msec): min= 0, max= 582, avg=19.66, stdev=57.61 bw (KiB/s) : min= 0, max= 4561, per=66.80%, avg=1340.00, stdev=1482.99 cpu : usr=1.95%, sys=0.63%, ctx=6652 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=71.9%, 4=1.4%, 10=5.6%, 20=6.1%, 50=4.1%, 100=4.3% lat (msec): 250=5.1%, 500=1.2%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25053 read : io=100MiB, bw=1,997KiB/s, runt= 52496msec clat (msec): min= 0, max= 577, avg=17.20, stdev=54.20 bw (KiB/s) : min= 5, max= 8380, per=25.34%, avg=1518.61, stdev=1633.52 write: io=40,704KiB, bw=797KiB/s, runt= 52262msec clat (msec): min= 0, max= 478, avg=29.99, stdev=68.22 bw (KiB/s) : min= 0, max= 7185, per=58.13%, avg=1166.09, stdev=1470.38 cpu : usr=1.90%, sys=0.56%, ctx=8105 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=69.6%, 4=1.8%, 10=4.6%, 20=6.8%, 50=5.3%, 100=4.4% lat (msec): 250=5.5%, 500=1.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=5,992KiB/s, minb=1,997KiB/s, maxb=2,167KiB/s, mint=48387msec, maxt=52496msec WRITE: io=100MiB, aggrb=2,006KiB/s, minb=582KiB/s, maxb=797KiB/s, mint=48387msec, maxt=52496msec Disk stats (read/write): sda: ios=23873/1478, merge=0/24208, ticks=135892/4768168, in_queue=4904052, util=99.16% 2.89user 0.97system 0:52.77elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+103561minor)pagefaults 0swaps