BI / Tableau / PowerBI

Why did you choose WebSocket instead of SSE? Why is two-way communication needed if the frontend does not send data to the server?

Tell about the most complex case you are proud of.

What is the mechanism called that maintains active connections with the database (connection pool)?

Why use sync.Pool? Is it possible to store SSE connections in sync.Pool?

Why did you leave Yandex?

What is the difference between SSE and WebSocket? How does SSE work?

Regarding motivation: how actively do you search, what are you looking for?