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Building a global edge cache with sane invalidation

Cache invalidation is famously hard — here is how we solved it at the edge without stale-content bugs or thundering herds.

Tom Becker · 1 min read
Building a global edge cache with sane invalidation

Cache invalidation is famously hard — here is how we solved it at the edge without stale-content bugs or thundering herds.

Tom Becker
WRITTEN BY Tom Becker SRE Lead · Reliability

Tom leads site reliability at Stratum, owning the deploy pipeline that ships zero-downtime releases across 10 billion requests a day. He's spent a decade making rollouts boring.

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