Golang

Do you write data to ClickHouse via Kafka?

Pull model of microservice interaction — what is it, pros and cons?

How to quickly insert 10 billion rows into ClickHouse?

Architectural task: the notification service uses templates from the admin service. How to ensure reliability in case the admin service fails?

How to speed up a slow API endpoint — what approaches are there?

How do you deploy — Kubernetes, bare metal, or cloud?

How is the snapshot system of aggregated dashboards implemented?

What is the approximate data volume in snapshots?

Is there a native way in ClickHouse for buffering inserts?

Why did you decide to change jobs?

How was the desynchronization caught — by Kafka partitions or between layers?

What are cache problems and how to deal with them?

Why is data written through Kafka instead of directly into ClickHouse?

Have there been performance issues or was there a need to optimize something?

Tell me what you specifically did at [company]?

How to find a slow endpoint in an API — which part of the code is slowing down?

How to find a memory leak in a production service if it cannot be reproduced locally?

What is a red flag for you when starting a new job? How do you feel about legacy code?