TokioConf

Walk with me through a production debugging story involving async Rust. We'll start with mysterious timeouts hitting the web server of our control plane, then follow the investigation through our debugging toolkit: logs, omdb (the Oxide debugger), direct database access, DTrace probes, core dumps, and even Ghidra disassembly. Along the way, you'll see how we tested hypotheses and narrowed down a non-local problem that spanned multiple layers of async code. Finally, you’ll get an understanding of

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