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4391: Tracing r=dureuill a=irevoire # Pull Request - [ ] Hide the parameters of the process batch - [x] Make actix-web trace every call on every route - [x] Remove all `env_logger`/`logs` dependencies - [x] Be able to enable or disable the memory measurement using the `/logs` route parameters See the following product discussion: https://github.com/orgs/meilisearch/discussions/721 Supersedes https://github.com/meilisearch/meilisearch/pull/4338 ## Related issue Fixes https://github.com/meilisearch/meilisearch/issues/4317 ## What does this PR do? Update the format of the logs from: ``` [2024-02-06T14:54:11Z INFO actix_server::builder] starting 10 workers ``` to ``` 2024-02-06T13:58:14.710803Z INFO actix_server::builder: 200: starting 10 workers ``` First, run meilisearch with the route enabled via the feature flag: - `cargo run --experimental-enable-logs-route` - Or at runtime by sending the following payload: ``` curl \ -X PATCH 'http://localhost:7700/experimental-features/' \ -H 'Content-Type: application/json' \ --data-binary '{ "logsRoute": true }' ``` Then gather data from meilisearch by calling for example: ``` curl \ -X POST http://localhost:7700/logs \ -H 'Content-Type: application/json' \ --data-binary '{ "mode": "fmt", "target": "milli=trace" }' ``` Once your operation is over, tell meilisearch to stop the route: ``` curl \ -X DELETE http://localhost:7700/logs ``` ---- In the case you’re profiling code, you will be interested by the next command that converts the output of the route to a format that the firefox profiler can understand. ```bash cargo run --release --bin trace-to-firefox -- 2024-01-17_17:07:55-indexing-trace.json ``` Then go to https://profiler.firefox.com and load it. Note that we can also share the profiles using the https://share.firefox.dev website. Co-authored-by: Louis Dureuil <louis@meilisearch.com> Co-authored-by: Clément Renault <clement@meilisearch.com> Co-authored-by: Tamo <tamo@meilisearch.com>