Reading External Parquet Data from ClickHouse

Reading External Parquet Data from ClickHouse

ClickHouse support for Apache Parquet is outstanding. We blogged about it last year in “What’s Up With Parquet Performance in ClickHouse”. In this article, we will look at Parquet from a different perspective. Let’s say there is public Parquet data…

Deep Dive on ClickHouse Sharding and Replication

Deep Dive on ClickHouse Sharding and Replication

ClickHouse works out of the box on a single machine but gets complicated in a cluster. ClickHouse provides two scaling-out dimensions | sharding and replication | and understanding when and how those should be applied is vital for production and…