> 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/merging-new-xtradb-releases-obsolete.md).

# Merging New XtraDB Releases (obsolete)

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This page contains background information for MariaDB developers.
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**Note:** This page is obsolete. The information is old, outdated, or otherwise currently incorrect. We are keeping the page for historical reasons only. **Do not** rely on the information in this article.
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### Background

Percona used to maintain XtraDB as a patch series against the InnoDB plugin. This affected how we started merging XtraDB in.

Now Percona maintains a normal source repository on launchpad (`lp:percona-server`). But we continue to merge the old way to preserve the history of our changes.

### Merging

There used to be a `lp:percona-xtradb` tree, that we were merging from as:

```
bzr merge lp:percona-xtradb
```

Now we have to maintain our own XtraDB-5.5 repository to merge from. It is `lp:~maria-captains/maria/xtradb-mergetree-5.5`. Follow the procedures as described in [Merging with a merge tree](/docs/server/reference/product-development/mariadb-internals/mariadb-internals-documentation-merging-into-mariadb/merging-with-a-merge-tree.md) to merge from it.

<sub>*This page is licensed: CC BY-SA / Gnu FDL*</sub>

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