> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/cortex-xsoar-8-saas/learn-about-cortex-xsoar/cortex-xsoar-architecture.md).

# Cortex XSOAR architecture

The following diagram describes the high-level architecture for Cortex XSOAR:

![xsoar-architecture.png](/files/ay1ucExGbSxeMsuldmkT)

Cortex XSOAR uses the following:

* Relational store using MySQL
* Cache and synchronization using Redis
* Data warehousing using GCP BigQuery

Cortex XSOAR's playbooks execute on dedicated and isolated workers. Workloads do not share compute resources, and there is a scalable API layer. Email and GIT services are included out-of-the-box.


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