[GitHub] [arrow-rs] tustvold opened a new issue #1495: Logging Support

[GitBox <gi...@apache.org>]

tustvold opened a new issue #1495:
URL: https://github.com/apache/arrow-rs/issues/1495


   **Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
   
   Currently `arrow` and `parquet` do not have any log instrumentation, and I have frequently found myself adding logging to track down a problem, only to then have to remove this logging for the final PR.
   
   **Describe the solution you'd like**
   
   This [log](https://docs.rs/log/latest/log/) crate is well-supported within the Rust ecosystem and allows filtering out callsites at both runtime and compile time. It is also used upstream by [DataFusion](https://github.com/apache/arrow-datafusion/blob/master/datafusion/Cargo.toml#L70). This would allow adding instrumentation to the code that can be enabled for debugging a problem, and then disabled when no longer desired.
   
   **Describe alternatives you've considered**
   
   There is also the [tracing](https://docs.rs/tracing/latest/tracing/) ecosystem, but this is likely significant overkill given neither crate makes significant use of tokio. Fortunately [tracing-log](https://docs.rs/tracing-log/latest/tracing_log/) provides an adapter should a downstream wish to use tokio-tracing, whilst allowing `arrow`, etc... to use the significantly simpler `log` ecosystem.
   


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