Sorry if this is obvious, but... What is ClickHouse?
I've found, from personal experience, that it makes a good replacement for time-series databases, even though it's technically not a time-series database. My employer migrated our KPIs and other metrics from InfluxDB to ClickHouse a couple of years ago, and the drastic improvements in performance were well worth the time it took to migrate our data. It also helped that ClickHouse uses a subset of SQL, unlike InfluxDB which uses a superficially SQL-like but practically very different proprietary language.
Column store db, using the DataFusion SQL engine. Persistence using parquet files directly on object stores (e.g. S3)
Still under development
There's also the badly named wide-column database type like Cassandra, but this is really just advanced or nested key/value rather than what people would consider "columns".