Golang

What type of composite index is used for multiple fields in a database?

How does the growth of Bucket objects occur during the evacuation process in the system?

How to guarantee the delivery of events in an unstable network (network may disconnect, events cannot be lost)?

How is communication between microservices implemented in the system architecture?

How is data connection and display implemented in Grafana?

Junior — Middle

Яндекс

What is the purpose of the sync.Pool object in Go language?

What types of data structures implement specific interfaces in a programming language?

How is the internal structure of the string type organized in the Go language?

Junior — Middle

Uzum

Купер

What are the differences between HTTP and gRPC protocols in data exchange?

Junior — Middle

Wildberries

СБЕР

IDT

Tell about Kafka: topics, partitions, consumer groups, delivery guarantees.

What methods of monitoring and diagnosing server health do you know?

How to insert a new element into the middle of a dynamic array (layer)?

Junior — Middle

СБЕР

Can you explain the architecture and main components of the ext4 file system?

What main problems can arise when processing data concurrently in a multithreaded environment?

Junior — Middle

Wildberries

Can you explain the concept of layered architecture and its main components?

Junior — Middle

Positive Technologies

What common mistakes can be made when writing code in Go?

Is there a Stop the World event during Garbage Collection in Java?

Senior

Вайлдберрис

Can you explain how a dynamic array is implemented and works in Go?

Junior — Middle

Lamoda Tech

Rubytech

OZON

+2

How is the amount of memory allocated for the stack when a new goroutine is started in Go determined?

Junior — Middle

Касперский

What operations or actions are strictly prohibited when using channels?