How to make a selection of data to display marks on the map?

Question

PHP

It is necessary to display data on the map, now the data from the database is displayed depending on the map output area, but if the zoom is reduced, the visibility area becomes larger, respectively, and the data for sampling from the database will be large in the database more than 100k records conditionally. How to withdraw everything without load and quickly?

here about the server part is not written.
https://habr.com/ru/company/yandex/blog/243665/

Answer 1

They cluster on the server, and on the client they give out one point with the amount per country, hex, or whatever is convenient for the soul. If the user at a given scale is not able to select a specific POI, then there is no need to show them all to him.