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[FRR] Zebra BGP enhancements to better handle memory during route churns #99

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[FRR] Zebra BGP enhancements to better handle memory during route churns #99

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dgsudharsan
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@dgsudharsan dgsudharsan commented Jul 23, 2024 •
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Why I did it

Added the below patches which are part of BGP Zebra back pressure feature required to keep the memory usage in check during route churns

New patches that were added:

Patch FRR Pull request
0030-zebra-backpressure-Zebra-push-back-on-Buffer-Stream-.patch FRRouting/frr#15411
0031-bgpd-backpressure-Add-a-typesafe-list-for-Zebra-Anno.patch FRRouting/frr#15524
0032-bgpd-fix-flushing-ipv6-flowspec-entries-when-peering.patch FRRouting/frr#15326
0033-bgpd-backpressure-cleanup-bgp_zebra_XX-func-args.patch FRRouting/frr#15524
0034-gpd-backpressure-Handle-BGP-Zebra-Install-evt-Creat.patch FRRouting/frr#15524
0035-bgpd-backpressure-Handle-BGP-Zebra-EPVN-Install-evt-.patch FRRouting/frr#15624
0036-zebra-backpressure-Fix-Null-ptr-access-Coverity-Issu.patch FRRouting/frr#15728
0037-bgpd-Increase-install-uninstall-speed-of-evpn-vpn-vn.patch FRRouting/frr#15727
0038-zebra-Actually-display-I-O-buffer-sizes.patch FRRouting/frr#15708
0039-zebra-Actually-display-I-O-buffer-sizes-part-2.patch FRRouting/frr#15769
0040-bgpd-backpressure-Fix-to-withdraw-evpn-type-5-routes.patch FRRouting/frr#16034
0041-bgpd-backpressure-Fix-to-avoid-CPU-hog.patch FRRouting/frr#16035
0042-zebra-Use-built-in-data-structure-counter.patch FRRouting/frr#16221
0043-zebra-Use-the-ctx-queue-counters.patch FRRouting/frr#16220
0044-zebra-Modify-dplane-loop-to-allow-backpressure-to-fi.patch FRRouting/frr#16220
0045-zebra-Limit-queue-depth-in-dplane_fpm_nl.patch FRRouting/frr#16220
0046-zebra-Modify-show-zebra-dplane-providers-to-give-mor.patch FRRouting/frr#16220
0047-bgpd-backpressure-fix-evpn-route-sync-to-zebra.patch FRRouting/frr#16234
0048-bgpd-backpressure-fix-to-properly-remove-dest-for-bg.patch FRRouting/frr#16368
0049-bgpd-backpressure-Improve-debuggability.patch FRRouting/frr#16368
0050-bgpd-backpressure-Avoid-use-after-free.patch FRRouting/frr#16437
0051-bgpd-backpressure-fix-ret-value-evpn_route_select_in.patch FRRouting/frr#16416
0052-bgpd-backpressure-log-error-for-evpn-when-route-inst.patch FRRouting/frr#16416
Work item tracking
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  • 201811
  • 201911
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  • 202211
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Description for the changelog

Link to config_db schema for YANG module changes

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@donaldsharp
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LGTM

dgsudharsan pushed a commit that referenced this pull request Sep 17, 2024
@mssonicbld
[submodule] Update submodule sonic-host-services to the latest HEAD a…
69f9442 
…utomatically (sonic-net#20266)

#### Why I did it
src/sonic-host-services
```
* b7f26d4 - (HEAD -> master, origin/master, origin/HEAD) [cli-sessions] Add support for cli-sessions feature (#99) (2 hours ago) [i-davydenko]
```
#### How I did it
#### How to verify it
#### Description for the changelog
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@dgsudharsan @donaldsharp