Severalnines Blog
The automation and management blog for open source databases

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Hybrid OLTP/Analytics Database Workloads: Replicating MySQL Data to ClickHouse

Columnar data stores provide much better performance for analytics queries than regular relational databases like MySQL. ClickHouse is an example of such datastore, queries that take minutes to execute in MySQL would take less than a second instead. In this blog post we show how to tackle the challenge of replicating the data from MySQL to ClickHouse.