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Backend · Senior · Theory

You have microservices, and users complain that requests sometimes take ten seconds, even though average latency looks normal. How would you look for the cause?

~4 min by voice

How to approach it

This checks whether you can systematically investigate tail latency in a distributed system: you understand the limits of averages, know tracing and log correlation, can narrow the search area, and know the typical causes of rare slow requests.

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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

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Best with headphones · ~4 min