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consul/.changelog/14934.txt

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perf: remove expensive reflection from xDS hot path (#14934) Replaces the reflection-based implementation of proxycfg's ConfigSnapshot.Clone with code generated by deep-copy. While load testing server-based xDS (for consul-dataplane) we discovered this method is extremely expensive. The ConfigSnapshot struct, directly or indirectly, contains a copy of many of the structs in the agent/structs package, which creates a large graph for copystructure.Copy to traverse at runtime, on every proxy reconfiguration.
2022-10-14 09:26:42 +00:00
```release-note:enhancement
xds: Removed a bottleneck in Envoy config generation, enabling a higher number of dataplanes per server
```