How you will monitor infrastructure? How will you do Infrastructure capacity planning? What will you do if the application is down? What will you do if there is high CPU and memory usage on the server? How will you debug the code if received infra related alert?
Questions regarding environment that I've used as a DevOps
In the same 60 min interview i was also asked a system design question. Q) Design a monitoring system for Tiktok.
(Senario) If a monitoring system is collecting metrics at every 10 seconds from multiple systems and writing the metrics data to DB. The DB disk is getting full frequently and we have to give a solution which should not involve neither increasing disk space of DB nor removing the data from the db of metrics collected as end users will call for metrics to see system anomalies of past 6 months statically and it should be prominent.
What are your favorite Linux commands? Tell me about your previous experience? What is a function? What is something your previous supervisor would say you need to work on? Will you be comfortable in a night shift role? Amongst many other personality questions...
Explain your past roles to better understand what kind of experiences you have gained.
A role play of an incident occurring in a cloud provider plateform that prevents new instances to boot.
Why the disk space is not freed after deleting a large file?
Q: Write some search program.
1) There is a mysterious process running on the server, which is generating a secret message. Can you spot the message ?
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