Question 1

How to set up mysql-proxy-rs for basic query logging?

Accepted Answer

Implement the PacketHandler trait to capture request packets and extract SQL queries, then log them to a file or database. The README provides an example proxy that you can modify to add logging logic instead of just filtering queries.

Question 2

mysql-proxy-rs vs ProxySQL: which is better for production?

Accepted Answer

mysql-proxy-rs is a framework for building custom proxies, offering flexibility but requiring development effort. ProxySQL is a feature-rich, pre-built proxy with caching and load balancing, making it more suitable for immediate production deployment without coding.

Question 3

Can mysql-proxy-rs handle SSL/TLS encrypted connections?

Accepted Answer

The README doesn't mention SSL/TLS support, so you may need to implement it yourself or use external tools for encryption, adding complexity for secure database communications in production environments.

Question 4

Is mysql-proxy-rs production-ready for high-traffic databases?

Accepted Answer

While built on performant Rust and Tokio, it introduces proxy overhead and requires custom handler optimization. It's best tested in controlled environments first, as the framework lacks built-in scaling features like connection pooling.

Question 5

How to add custom error responses in mysql-proxy-rs?

Accepted Answer

Use the Action::Error variant in the handle_request or handle_response method to return error packets with specific codes and messages. The example in the README shows this by rejecting queries with 'avocado' and returning a custom error.

mysql-proxy-rs

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