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-rw-r--r--nixos/doc/manual/release-notes/rl-2103.xml16
1 files changed, 16 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2103.xml b/nixos/doc/manual/release-notes/rl-2103.xml
index a3543aae1ea3..e46d1ca403f3 100644
--- a/nixos/doc/manual/release-notes/rl-2103.xml
+++ b/nixos/doc/manual/release-notes/rl-2103.xml
@@ -258,6 +258,22 @@
    </listitem>
    <listitem>
     <para>
+     MariaDB has been updated to 10.5.
+     Before you upgrade, it would be best to take a backup of your database and read
+     <link xlink:href="https://mariadb.com/kb/en/upgrading-from-mariadb-104-to-mariadb-105/#incompatible-changes-between-104-and-105">
+     Incompatible Changes Between 10.4 and 10.5</link>.
+     After the upgrade you will need to run <literal>mysql_upgrade</literal>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
+     The TokuDB storage engine dropped in <package>mariadb</package> 10.5 and removed in <package>mariadb</package> 10.6.
+     It is recommended to switch to RocksDB. See also <link xlink:href="https://mariadb.com/kb/en/tokudb/">TokuDB</link> and
+     <link xlink:href="https://jira.mariadb.org/browse/MDEV-19780">MDEV-19780: Remove the TokuDB storage engine</link>.
+    </para>
+   </listitem>
+   <listitem>
+    <para>
       The <literal>openldap</literal> module now has support for OLC-style
       configuration, users of the <literal>configDir</literal> option may wish
       to migrate. If you continue to use <literal>configDir</literal>, ensure that