# Introduction

{% hint style="info" %}
We recommend that for production installation, the database used by SonarQube Server is hosted on a machine that is physically separate from the SonarQube Server host, with low latency between both hosts.
{% endhint %}

For the requirements regarding the Data Center Edition, see [Data Center Edition (DCE)](/sonarqube-server/2025.1/setup-and-upgrade/install-the-server-as-a-cluster.md).

See:

* [SonarQube Server host](/sonarqube-server/2025.1/setup-and-upgrade/installation-requirements/server-host.md)
* [Database](/sonarqube-server/2025.1/setup-and-upgrade/installation-requirements/database-requirements.md)
* **Reference architectures:**
  * [Up to 10M LOC](/sonarqube-server/2025.1/setup-and-upgrade/reference-architectures/up-to-10m-loc.md)
  * [Up to 50 M LOC](/sonarqube-server/2025.1/setup-and-upgrade/reference-architectures/up-to-50m-loc.md)


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