Learn how to configure the Global Thread pool in ClickHouse by adjusting settings like `max_thread_pool_size`, `thread_pool_queue_size`, and `max_thread_pool_free_size`.

A query to compare metrics between two queries in ClickHouse.

Learn how to optimize Map column lookups in ClickHouse for better query performance by materializing specific keys as standalone columns.

Learn the recommended maximum limits for databases, tables, partitions, and parts in a ClickHouse cluster to ensure optimal performance.

First of all, let’s discuss why people ask this question in the first place. There are two key reasons...