The Sched app allows you to build your schedule but is separate from your event registration. You must be registered for BazelCon 2024 to participate in the sessions. If you have not registered but would like to join us, please go to the event registration page to registration.
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IMPORTANT NOTE: Timing of sessions and room locations are subject to change.
We have been running RE for several years. In this talk, we present what we have learned - the hard way - during this time, with the hope that this will help others who are building or operating a remote execution service prevent similar issues. We will cover these themes: cloud infrastructure limits, memory management pitfalls, software architecture oh-nos, and monitoring mistakes.
Complete dependency graphs are at the heart of what gives Bazel its power and sandboxing plays a key role in keeping these graphs correct. However: Bazel's approach to sandboxing makes some concessions. With cooperation from tools this works well, but — what happens when your tools aren't well-behaved? In this talk, we detail how we — in service of migrating a 20 year old codebase to Bazel — extended Bazel and its sandbox to encode and enforce all host filesystem dependencies in Bazel's dependency graph. We'll cover the changes we had to make to use existing rulesets, how this compares with alternative solutions to this problem, lessons we learned along the way, and some takeaways for the broader ecosystem.
