Golang

Explain what a goroutine is and how it is used in programming.

Junior — Middle

AvitoМаскомWildberries+23

Under what conditions does blocking occur when using a buffered channel in a data transfer system?

What aspects should be considered when analyzing the results of EXPLAIN ANALYZE?

What is the maximum allowed stack size for each goroutine in Go?

What is the difference between VACUUM and AUTOVACUUM commands in PostgreSQL?

What type of SQL join is used to retrieve all elements present in both tables?

What collision resolution methods are implemented in the Go language?

In which cases is it advisable to use the JSONB data type in PostgreSQL?

What is the difference between a goroutine and a system thread in the context of task execution?

Junior — Middle

VK CloudRubytechЦифровая Эволюция+6

When performing a range query in a database, which index type is preferable: hash index or B-tree?

How is the memory allocation process carried out in the system at the moment of an allocation request?

What measures are taken to prevent the occurrence of ConcurrentModificationException when modifying a Map object from multiple threads simultaneously?

Is it possible to run ten processes simultaneously on a system with a single processor core?

For what tasks are atomic operations used in programming?

Can you name the main types of communication channels used for information transfer?

What distinguishes a process from a thread in terms of memory management and how does it affect their interaction?

What are the possible consequences if multiple threads modify a map data structure simultaneously?

What is the minimum stack size for a goroutine in Go?

Can a structure with two fields be considered safe for use in multithreaded conditions?

Explain the concept of atomic packages and their purpose in programming.