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Error Stacking in Rust
A detailed exploration of error handling in Rust within GreptimeDB, proposing improvements and discussing future work.
But for projects like GreptimeDB, where we divide the entire workspace into several individual sub-crates, we need to define one error type for each crate while keeping a streamlined combination. For other complex logic like batch processing, where errors may not be propagate immediately but be holded for a while, virtual stack can also help making it easy to understand. The built-in observability solution, GreptimeAI, helps users comprehensively monitor the cost, performance, traffic, and security of LLM applications.
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