Question library
Questions from real interviews. Drill any of them by voice in a couple of minutes, with an interviewer, a score and feedback.
After a release, the API's 99th percentile response time went from 200 milliseconds to two seconds, while the average barely changed. How would you track down the cause?Mid-levelYou have microservices, and users complain that requests sometimes take ten seconds, even though average latency looks normal. How would you look for the cause?Senior