A good one. A lot is being built on top of clickhouse. I can count at least 3 if not more (hyperdx, signoz and highlight) built on top of clickhouse now.
We at OpenObserve are solving the same problem but a bit differently. A much simpler solution that anyone can run using a single binary on their own laptop or in a cluster of hundreds of nodes backed by s3. Covers logs, metrics, traces, Session replay, RUM and error tracking are being released by end of the month) - https://github.com/openobserve/openobserve