ClickHouse DBA

Migration From MySql To ClickHouse

Transfer the data from MySQL into ClickHouse   Recommended solution – MinervaDB ClickHouse MySQL Data Reader (forked from Alitinity/clickhouse-mysql-data-reader )...

ClickHouse ATTACH Statement

Attaches a table or a dictionary, for example, when moving a database to another server. The query does not create...

OPTIMIZE statement

Image Courtesy – Pexels – Vlad Chetan  The data is stored in multiple parts in MergeTree family of engines and data...

ClickHouse Change Log Level

  The Clickhouse server logs are often useful in diagnosing issues and understanding how clients are interacting with Clickhouse. They...

Overview of Clickhouse Full Text Search using the Quickwit

Full Text Search is the most expected feature at Clickhouse community. Recently, Clickhouse has the support to perform the Full...