Question 1

How do I use CDRS with async Rust?

Accepted Answer

CDRS has separate async versions for async-std and tokio, but they have incompatible APIs with the main version. You need to choose the appropriate branch or repository based on your async runtime, as mentioned in the README.

Question 2

CDRS vs DataStax Cassandra driver for Rust

Accepted Answer

CDRS is a pure Rust implementation with full CQL and ScyllaDB support, emphasizing type safety, while DataStax's driver might offer better integration with DataStax products but less Rust-native focus. Consider community support and specific feature needs.

Question 3

How to handle authentication with CDRS?

Accepted Answer

CDRS supports pluggable authentication strategies; you can use built-in authenticators or implement custom ones, as shown in the documentation for methods like password-based or certificate authentication.

Question 4

Does CDRS support prepared statements?

Accepted Answer

Yes, since it implements full CQL specifications, CDRS supports prepared statements for efficient query execution. Refer to the user guide for examples on how to use them in Rust code.

Question 5

How to set up SSL connections with CDRS?

Accepted Answer

Configure SSL connections by using the TCP/SSL options in the node configuration; detailed examples are provided in the documentation for securing network communications with Cassandra.

Question 6

What's the performance overhead of CDRS?

Accepted Answer

CDRS is optimized for performance with features like compression and connection pooling, but as a pure Rust driver, it may have trade-offs in memory usage compared to C-based drivers, though it benefits from Rust's safety guarantees.

Question 7

How to monitor queries with tracing in CDRS?

Accepted Answer

Enable query tracing via CDRS's built-in support to access detailed execution information; this helps in debugging and performance tuning, as outlined in the key features and examples.

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