Opus with formal proofs found the catastrophic bug no unit test would have caught

Pointed Opus with TLA+ at company clustering and failover logic and found and prevented a catastrophic bug no unit test would have caught; Opus also wrote the invariants.

How it works

He points Opus with formal methods at the company's clustering and failover logic
Opus writes the invariants
Finds and prevents a catastrophic bug no unit test would have caught

Why it’s worth knowing

Unit tests sample; proofs cover. The bug lived between samples.

Where it’s from

Summarized from a public post on news.ycombinator.com. See the original ↗

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