# Getting started with ClickHouse? 13 mistakes and how to avoid them

DevFeed: [Getting started with ClickHouse? 13 mistakes and how to avoid them](<https://devfeed.tech/articles/getting-started-with-clickhouse-13-mistakes-and-how-to-avoid-them-5214.md>)

Original publisher: [Read original article](<https://clickhouse.com/blog/common-getting-started-issues-with-clickhouse>)

Author: Dale McDiarmid; Tom Schreiber; Geoff Genz

Published: 2026-02-20T00:00:00Z

Content type: article

Language: en

Sources: [ClickHouse Blog](<https://devfeed.tech/sources/clickhouse-blog.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>), [data](<https://devfeed.tech/topics/data.md>), [Cloud](<https://devfeed.tech/topics/cloud.md>), [Software](<https://devfeed.tech/topics/software.md>)

Tags: [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [concepts](<https://devfeed.tech/tags/concepts.md>), [data](<https://devfeed.tech/tags/data.md>), [getting-started](<https://devfeed.tech/tags/getting-started.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [logs](<https://devfeed.tech/tags/logs.md>), [performance](<https://devfeed.tech/tags/performance.md>), [post](<https://devfeed.tech/tags/post.md>), [scale](<https://devfeed.tech/tags/scale.md>), [software](<https://devfeed.tech/tags/software.md>), [storage](<https://devfeed.tech/tags/storage.md>)

## AI overview

This getting-started guide examines 13 common mistakes made by new ClickHouse users, explaining why they occur and how to avoid them. It begins with excessive data parts, covering their impact on merges, storage, query performance, startup times, and replicated configurations.

## Source excerpt

In this post, we highlight the most common 13 mistakes we see our new users encounter, why they occur and the correct approach.