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set sysctl variables on cni server startup #1758

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merged 1 commit into from Aug 2, 2022
Merged

set sysctl variables on cni server startup #1758

merged 1 commit into from Aug 2, 2022

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zhangzujian
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@zhangzujian zhangzujian commented Aug 1, 2022 •
edited

What type of this PR

  • Enhancement

Which issue(s) this PR fixes:

Fixes #1705 & #1706.

Set the following sysctl variables on CNI startup:

net.netfilter.nf_conntrack_tcp_be_liberal=1
net.ipv4.neigh.default.gc_thresh1=1024
net.ipv4.neigh.default.gc_thresh2=2048
net.ipv4.neigh.default.gc_thresh3=4096

@zhangzujian zhangzujian added the enhancement Improve exist functions label Aug 1, 2022
@zhangzujian zhangzujian linked an issue Aug 1, 2022 that may be closed by this pull request
increase net.ipv4.neigh.default.gc_thresh #1706
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@zhangzujian zhangzujian marked this pull request as ready for review August 1, 2022 12:57
@zhangzujian zhangzujian merged commit 916600f into kubeovn:master Aug 2, 2022
@zhangzujian zhangzujian deleted the fix-sysctl branch August 2, 2022 08:37
zhangzujian added a commit that referenced this pull request Aug 2, 2022
@zhangzujian
set sysctl variables on cni server startup (#1758)
7f25696
zhangzujian added a commit that referenced this pull request Aug 2, 2022
@zhangzujian
set sysctl variables on cni server startup (#1758)
fd67643
oilbeater pushed a commit that referenced this pull request Aug 3, 2022
@zhangzujian @oilbeater
set sysctl variables on cni server startup (#1758)
e6eace8 
(cherry picked from commit 916600f)
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@oilbeater oilbeater oilbeater approved these changes

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enhancement Improve exist functions need backport
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v1.11-s5
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Successfully merging this pull request may close these issues.

increase net.ipv4.neigh.default.gc_thresh enable kernel args nf_conntrack_tcp_be_liberal
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@zhangzujian @oilbeater