Golang

Can you explain the differences between sharding and replication mechanisms in databases?

What factors ensure high Redis performance compared to traditional databases?

What is the reflect package in Go? What is it used for?

How did you generate code from proto files? Did you use Makefile?

What does the service ultimately run on? What Docker images did you use?

Have you ever used tracing mechanisms in your projects?

What can lead to a decrease in query performance when using indexes?

Why will there be no panic on the line test2 := test1[3:] and why will [4 5] be displayed?

What does an array of strings look like in Protocol Buffers syntax?

What are the features of the Go language compared to other programming languages?

Junior — Middle

WildberriesАстрал-СофтPositive Technologies

How do services communicate with each other in a microservices architecture? Who writes the contracts?

Why is Alpine used as a base image?

What is multi-stage build in Docker? Why is it needed?