5354409b1a
Return 429 response on HTTP max connection limit. Instead of silently closing the connection, return a `429 Too Many Requests` HTTP response with a helpful error message to aid debugging when the connection limit is unintentionally reached. Set a 10-millisecond write timeout and rate limiter for connection-limit 429 response to prevent writing the HTTP response from consuming too many server resources. Add `nomad.agent.http.exceeded metric` counting the number of HTTP connections exceeding concurrency limit.
4 lines
112 B
Plaintext
4 lines
112 B
Plaintext
```release-note:improvement
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api: HTTP server now returns a 429 error code when hitting the connection limit
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```
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