Reliability Interview Questions

3,999 reliability interview questions shared by candidates

How would you design a system that automatically setup databases for customers? How would you architect a web crawler from scratch? Without using any open source tools, how would you setup a database? Make sure you practice with a white board before going into the interview, as they expect you to be able to use it fluently during the interview with about a 5 minute warning.
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Staff Site Reliability Engineer

Interviewed at Sprout Social

3.8
Jul 23, 2021

How would you design a system that automatically setup databases for customers? How would you architect a web crawler from scratch? Without using any open source tools, how would you setup a database? Make sure you practice with a white board before going into the interview, as they expect you to be able to use it fluently during the interview with about a 5 minute warning.

let’s say a pod is monitored by Horizontal Pod Autoscaler (HPA) configured to scale out when memory usage reaches 80%. But before the HPA can spin up new pods, the existing pod's memory usage hits 100%. In this situation, what will happen to the pod? And how will the HPA behave or respond?
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Site Reliability Engineer II

Interviewed at Zeta

3.3
Jul 25, 2025

let’s say a pod is monitored by Horizontal Pod Autoscaler (HPA) configured to scale out when memory usage reaches 80%. But before the HPA can spin up new pods, the existing pod's memory usage hits 100%. In this situation, what will happen to the pod? And how will the HPA behave or respond?

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