> 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/server-usage/storage-engines/s3-storage-engine/s3-storage-engine-status-variables.md).

# S3 Status Variables

{% hint style="info" %}
The [S3 storage engine](/docs/server/server-usage/storage-engines/s3-storage-engine.md) is available from [MariaDB 10.5.4](/docs/release-notes/community-server/old-releases/10.5/10.5.4.md).
{% endhint %}

This page documents status variables related to the [S3 storage engine](/docs/server/server-usage/storage-engines/s3-storage-engine.md). See [Server Status Variables](/docs/server/server-management/variables-and-modes/server-status-variables.md) for a complete list of status variables that can be viewed with [SHOW STATUS](/docs/server/reference/sql-statements/administrative-sql-statements/show/show-status.md).

See also the [Full list of MariaDB options, system and status variables](/docs/server/server-management/variables-and-modes/full-list-of-mariadb-options-system-and-status-variables.md).

#### `S3_pagecache_blocks_not_flushed`

* Description:
* Scope:
* Data Type:
* Introduced: [MariaDB 10.5](/docs/release-notes/community-server/old-releases/10.5/what-is-mariadb-105.md)

#### `S3_pagecache_blocks_unused`

* Description:
* Scope:
* Data Type:
* Introduced: [MariaDB 10.5](/docs/release-notes/community-server/old-releases/10.5/what-is-mariadb-105.md)

#### `S3_pagecache_blocks_used`

* Description:
* Scope:
* Data Type:
* Introduced: [MariaDB 10.5](/docs/release-notes/community-server/old-releases/10.5/what-is-mariadb-105.md)

#### `S3_pagecache_reads`

* Description:
* Scope:
* Data Type:
* Introduced: [MariaDB 10.5](/docs/release-notes/community-server/old-releases/10.5/what-is-mariadb-105.md)

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

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