Sentry with Arpad Borsos

Feb 22, 2024

Arpad Borsos from Sentry shares insights on using Rust for speed improvements, developing relay and symbolicator projects, and discussing actor-based vs. task-based concurrency. The podcast covers challenges in Rust SDK development, understanding clones and lifetimes, handling high traffic, and exploring mini dumps for native crashes.

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ANECDOTE

Origin of rust-cache

Arpad Borsos created the rust-cache GitHub Action due to frustrations with the existing caching solutions.
It simplifies cache key management and optimizes file caching for Rust projects.

ANECDOTE

Contributing to Firefox

Arpad Borsos contributed to Firefox, including the SpiderMonkey JavaScript engine and C++ code.
He recalls feeling intimidated but also welcomed by the community.

ANECDOTE

Improving C SDK testing

Arpad Borsos pushed for improved testing and analysis tools (fuzzing, static analysis) for Sentry's C SDK.
This led to the discovery of memory corruption bugs and a data loss issue.

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In this episode, we talk to Arpad Borsos, Systems Software Engineer at Sentry, about how they use Rust to build a modern error monitoring platform for developers.

We discuss the challenges of building a high-performance, low-latency platform for processing and analyzing large amounts of data (like stack traces and source maps) in real-time.

Arpad maintains the `symbolic` crate for stack trace symbolication, which is used on the Sentry platform.

About Sentry:

Sentry provides application performance monitoring and error tracking software for JavaScript, Python, Ruby, Go, and more. Their platform also supports session replay, profiling, cron monitoring, code coverage, and more.

About Arpad Borsos:

Arpad Borsos works on high-performance, low-latency systems and maintains open source projects like the popular `rust-cache` GitHub Action. He is an expert in asynchronous programming and spoke about async functions at EuroRust 2023.

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Links From The Show:
- https://github.com/getsentry/relay
- https://github.com/getsentry/symbolic
- https://crates.io/crates/tracing
- https://actix.rs/
- https://firefox-source-docs.mozilla.org/js/index.html
- https://en.wikipedia.org/wiki/Name_mangling
- https://neon-bindings.com/
- https://github.com/PyO3/maturin
- https://docs.rs/sentry/latest/sentry/
- https://github.com/getsentry/sentry-rust
- https://en.wikipedia.org/wiki/Minification_(programming)#Source_mapping
- https://github.com/Swatinem/rust-cache
- https://tokio.rs/
- http://formats.kaitai.io/windows_minidump/

Official Links:
- https://sentry.io/
- https://github.com/getsentry/sentry
- https://sentry.engineering/
- https://www.linkedin.com/in/swatinem/
- https://github.com/Swatinem
- https://swatinem.de/