> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb.md).

# Merging into MariaDB

{% hint style="info" %}
This section contains background information, mostly aimed at engineers developing MariaDB features.
{% endhint %}

{% content-ref url="/pages/Syyx9vNDngUCZfMgHAQt" %}
[Creating a New Merge Tree](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/creating-a-new-merge-tree.md)
{% endcontent-ref %}

{% content-ref url="/pages/BD98QxpdEJBtnzKHexKg" %}
[Merging from MySQL (obsolete)](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-from-mysql-obsolete.md)
{% endcontent-ref %}

{% content-ref url="/pages/Vtlwj3Cd0orwKuTv7RZa" %}
[Merging New XtraDB Releases (obsolete)](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-new-xtradb-releases-obsolete.md)
{% endcontent-ref %}

{% content-ref url="/pages/x1kJEXXLbHTrG0pMH8hQ" %}
[Merging TokuDB (obsolete)](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-tokudb-obsolete.md)
{% endcontent-ref %}

{% content-ref url="/pages/RqLnHhWABK2zQ0Zoeh7f" %}
[Merging with a Merge Tree](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-with-a-merge-tree.md)
{% endcontent-ref %}