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fix(core): Reduce logging overhead for levels that do not output (#7479)
all current logging calls execute `callsites()` to figure out what code tried to log. This happens even for logging methods that aren't supposed to create any output. Under moderate load, this can take up quite a lot of resources. This PR changes the logger to make all ignorable logging methods a No-Op. In a small benchmark with a simple webhook, with log-level set to `warn`, and using `ab -c 50 -n 500 http://localhost:5678/webhook/testing`, these were the response times: ### Before ![Before](https://github.com/n8n-io/n8n/assets/196144/01680fd9-3d2a-4f7f-bb1c-5b03bd7d5bc3) ### After ![After](https://github.com/n8n-io/n8n/assets/196144/ccacb20a-48ca-455a-a8cb-098c9c0e352e)
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