This is an application that does multi threaded network IO (userspace NFS customer composed in golang). It ought to have the ability to do concerning line price information transfer on a 10Gb NIC. On Centos 7 this holds true 10GiB in 10/11 secs, nevertheless centos 8, has to do with 2-3 secs slower, ~ 14 secs regularly.
Very same VM specifications working on the exact same physical host.
Job: GitHub – sile16/fbcp: FlashBlade Quick Data transfer device
time./ fbcp -strings 16 -sizeMB 8 -account pp.txt 172.19.0.20:/ DEMO-NFS-1/ 10GRand|pet cat > >/ dev/null.
Below are the accounts for each and every.
3.10.0-957. el7.x86 _ 64 # 1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Time: Sep 15, 2022 at 8:51 am (CDT).
Period: 11.22 s, Overall examples = 31.89 s (284.32%).
Getting in interactive setting (kind "assistance" for commands, "o" for alternatives).
( pprof) top20.
Revealing nodes making up 28.68 s, 89.93% of 31.89 s amount to.
Gone down 241 nodes (■ ■ ■ <