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HomeGolangCentos 8 Lengthy syscall6 times in account contrasted to centos7 - Technical...

Centos 8 Lengthy syscall6 times in account contrasted to centos7 – Technical Conversation


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

Command: “

 time./ fbcp -strings 16 -sizeMB 8 -account pp.txt 172.19.0.20:/ DEMO-NFS-1/ 10GRand|pet cat > >/ dev/null.

golang 19.1

Below are the accounts for each and every.
Centos7
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

 Data: fbcp.
Kind: cpu.
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 (■ ■ ■ <

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