Lightning Talk: Locating and Debugging Failures with Linkerd...
summary
Linkerd locates a failing service in an emoji-voting app using the Linkerd viz dashboard to show web → voting errors and a consistently failing "donut" pod. Telepresence creates a Telepresence intercept that routes only requests with a debug-key header to a local voting service so other users aren’t impacted. The local API.go donut function default is changed, the service restarts, and votes succeed — demonstrating a reproducible locate→debug→fix loop.
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