> 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/plugins/other-plugins.md).

# Other Plugins

{% columns %}
{% column %}
{% content-ref url="/pages/XcG0dZw5oh6ZVCE9JDm1" %}
[Disks Plugin](/docs/server/reference/plugins/other-plugins/disks-plugin.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The Disks plugin adds the DISKS table to the Information Schema, providing metadata about the system's disk storage and usage.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/rwZbIN1hzAlDsIIcHbHk" %}
[Feedback Plugin](/docs/server/reference/plugins/other-plugins/feedback-plugin.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The Feedback plugin collects and sends anonymous server usage and configuration data to MariaDB to help improve the software.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/r5QZ7YqpPfS2r4GLif6B" %}
[inet4](/docs/server/reference/plugins/other-plugins/inet4.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The inet4 plugin provides the INET4 data type, allowing for efficient native storage and manipulation of IPv4 addresses as 4-byte binary strings.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/2UYRtLoKoErZvjQiH1vD" %}
[METADATA\_LOCK\_INFO Plugin](/docs/server/reference/plugins/other-plugins/metadata-lock-info-plugin.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
This plugin creates the METADATA\_LOCK\_INFO table in the Information Schema, allowing users to view active metadata locks and their owners.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/q4nasXXu8nyuIuVji8dj" %}
[MYSQL\_JSON](/docs/server/reference/plugins/other-plugins/mysql_json.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The MYSQL\_JSON plugin provides a JSON data type alias for compatibility, ensuring that tables created with the MySQL JSON type can be read by MariaDB.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/cuV5dP5FpBQkHgSoVQt2" %}
[mhnsw](/docs/server/reference/plugins/other-plugins/mhnsw.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The mhnsw plugin implements the Hierarchical Navigable Small World algorithm, enabling high-performance approximate nearest neighbor search for vector data.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/F9KkNly85kb0BHguyIId" %}
[online\_alter\_log](/docs/server/reference/plugins/other-plugins/online_alter_log.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The online\_alter\_log plugin provides logging capabilities for online ALTER TABLE operations, helping administrators monitor and debug schema changes.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/SGjSUp7RjsnSyeBp9WaA" %}
[Query Cache Information Plugin](/docs/server/reference/plugins/other-plugins/query-cache-information-plugin.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
This plugin exposes the contents of the query cache via the QUERY\_CACHE\_INFO table in the Information Schema, aiding in performance analysis.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/VaU6B8429Z3ahFczlFlG" %}
[Query Response Time Plugin](/docs/server/reference/plugins/other-plugins/query-response-time-plugin.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The Query Response Time plugin collects and displays the distribution of query execution times, helping to identify performance bottlenecks.
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
{% content-ref url="/pages/s4MaMJDOb2lzFwUkTM9e" %}
[User Variables Plugin](/docs/server/reference/plugins/other-plugins/user-variables-plugin.md)
{% endcontent-ref %}
{% endcolumn %}

{% column %}
The User Variables plugin adds the USER\_VARIABLES table to the Information Schema, allowing users to inspect defined user variables and their values.
{% endcolumn %}
{% endcolumns %}