> ## Documentation Index
> Fetch the complete documentation index at: https://private-7c7dfe99-home-button.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# FAQ

> Landing page for FAQ

| Page                                                                                                     | Description                                                                            |
| -------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- |
| [General Questions about ClickHouse](/resources/support-center/knowledge-base/general-faqs)              | General questions we get about ClickHouse.                                             |
| [Why not use something like MapReduce?](/resources/support-center/knowledge-base/general-faqs/mapreduce) | Explainer on why MapReduce implementations aren't appropriate for the OLAP scenario.   |
| [What does "не тормозит" mean](/resources/support-center/knowledge-base/general-faqs/ne-tormozit)        | Explainer on what "не тормозит" means, which you may have seen on ClickHouse t-shirts. |
| [What is OLAP](/resources/support-center/knowledge-base/general-faqs/olap)                               | Explainer on what Online Analytical Processing is.                                     |
| [Who is using ClickHouse](/resources/support-center/knowledge-base/general-faqs/who-is-using-clickhouse) | Learn about who is using ClickHouse.                                                   |