# From OLTP to OLAP: 7 ClickHouse® Optimization Mistakes

DevFeed: [From OLTP to OLAP: 7 ClickHouse® Optimization Mistakes](<https://devfeed.tech/articles/from-oltp-to-olap-7-clickhouse-optimization-mistakes-18582.md>)

Original publisher: [Read original article](<https://www.tinybird.co/blog/olap-most-common-mistakes>)

Author: Iago Enríquez

Published: 2026-08-03T10:00:00Z

Content type: article

Language: en

Sources: [Tinybird](<https://devfeed.tech/sources/tinybird.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [Optimization](<https://devfeed.tech/topics/optimization.md>)

Tags: [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [engineering-excellence](<https://devfeed.tech/tags/engineering-excellence.md>), [mistakes](<https://devfeed.tech/tags/mistakes.md>), [olap](<https://devfeed.tech/tags/olap.md>), [optimization](<https://devfeed.tech/tags/optimization.md>)

## AI overview

A practical article about seven ClickHouse optimization mistakes encountered when moving from OLTP to OLAP workloads.

## Source excerpt

Practical lessons from optimizing analytical workloads in ClickHouse®.