Have you been responsible for product operation? Was support handled by your team? Were alerts and metrics routed to you?
Middle+
198
Golang
8397
379
What happens if one of the consumers in the group goes down? Tell about rebalancing.
Middle+
198
When does the Garbage Collector run? Are there specific stop points or moments?
Senior
197
If you have multiple offers, how will you choose? What is important to you?
Middle+
196
Tell more about working with Kafka: how exactly message deduplication was performed?
Middle+
194
What types of replication are there (synchronous and asynchronous)? How does synchronous replication work and what are its drawbacks?
Senior
192
Is it possible that messages are unevenly distributed across partitions? How to deal with it?
Middle+
192
Tell about the team composition, service responsibilities, and release cycle.
Middle+
190
Have you interacted directly with Kubernetes?
Middle+
190
Why was gRPC chosen instead of REST? Were there specific performance requirements?
Middle+
190
Abstract case: the service crashes (OOM kill), you see no errors, but the last status in the pod indicates a memory shortage. What is the sequence of actions for diagnostics and stabilization?
Senior
189
Why are transactions needed in databases?
Senior
184
What is the difference between EXPLAIN and EXPLAIN ANALYZE? Why should EXPLAIN ANALYZE not be used in production?
Senior
184
What did you do at your last job? What was the project?
Middle+
184
If more consumers are added with a large Kafka lag — will it help? In which cases will it help, and in which will it not? What if there are 16 partitions and 2 consumers?
Middle+
182
Did you store all messages from Kafka in a separate table? What was the point of this, was Kafka insufficient?
Middle+
180
Did you have sidecar containers on instances? What is a sidecar?
Middle+
176
You mentioned the net amount — is that the salary or the total income?
Middle+
173
The alert triggered when RPS increased to 5000. What did you do in such a case? How did you determine whether it was a real load increase or a system problem?
Middle+
171
Please tell us what you do at your current job, what you like, which tasks you enjoy, which tasks you dislike, and would like to avoid?
Senior
171