clickhouse as aggregate functions (Pearson correlation coefficient,quantiles , etc... )[0].

Associated with their Materialized view and Liveview features, you can achieve observability [1].

[0]https://clickhouse-docs.readthedocs.io/en/latest

[1]https://www.altinity.com/blog/2019/11/13/making-data-come-to...

Edit: fixed broken link.