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Engineering at Meta

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Trust But Canary: Configuration Safety at Scale
2026-04-08 · via Engineering at Meta

As AI increases developer speed and productivity it also increases the need for safeguards.

On this episode of the Meta Tech Podcast, Pascal Hartig sits down with Ishwari and Joe from Meta’s Configurations team to discuss how Meta makes config rollouts safe at scale. Listen in to learn about canarying and progressive rollouts, the health checks and monitoring signals used to catch regressions early, and how incident reviews focus on improving systems rather than blaming people.

They also talk about how data and AI/machine learning are slashing alert noise and speeding up bisecting when something goes wrong.

Download or listen to the episode below:

You can also find the episode wherever you get your podcasts, including:

The Meta Tech Podcast is a podcast, brought to you by Meta, where we highlight the work Meta’s engineers are doing at every level – from low-level frameworks to end-user features.

Send us feedback on InstagramThreads, or X.

And if you’re interested in learning more about career opportunities at Meta visit the Meta Careers page.

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