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@gcouprie ("Geoffroy Couprie") wrote:

Usual performance problems:
1. CPU usage, GC pauses: move to rust
2. IO: move to async
3. Telemetry: fuck if I know

Concurrency is there, somewhere, but very far down the list, because it's easy to share data across threads in Rust

with quote tweet:

@MichaelArnaldi ("Michael Arnaldi") wrote:

Most of the performance problems apps have are related to concurrency not to parallelism. When that's the case rewriting in rust solves exactly one thing : your desire to learn rust.