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consul/.changelog/14960.txt

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proxycfg: rate-limit delivery of config snapshots (#14960) Adds a user-configurable rate limiter to proxycfg snapshot delivery, with a default limit of 250 updates per second. This addresses a problem observed in our load testing of Consul Dataplane where updating a "global" resource such as a wildcard intention or the proxy-defaults config entry could starve the Raft or Memberlist goroutines of CPU time, causing general cluster instability.
2022-10-14 14:52:00 +00:00
```release-note:enhancement
xds: Added a rate limiter to the delivery of proxy config updates, to prevent updates to "global" resources such as wildcard intentions from overwhelming servers (see: `xds.update_max_per_second` config field)
```