[lukaslalinsky]

I always dismissed ClickHouse, because it's all super low level. Building a reliable system out of it, requires a lot of internal knowledge. This is the only DB I know, where you will have to deal with actual files on disk, in case of problems.

However, I managed to look besides that, and oh-my-god it is so fast. It's like the tool is optimized for raw speed and whatever you do with it is up for you.

[nasretdinov]

Yeah ClickHouse does feel like adult LEGO to me too: it lets you design your data structures and data storage layout, but doesn't force you to implement everything else. If you work on a large enough scale that's exactly what you want from a system usually