# Page Not Found

The URL `ref/mdb/sys/user_summary_by_file_io` does not exist.

You might be looking for one of these pages:
- [host_summary_by_file_io and x$host_summary_by_file_io Sys Schema Views](https://mariadb.com/docs/server/reference/system-tables/sys-schema/sys-schema-views/host_summary_by_file_io-and-xhost_summary_by_file_io-sys-schema-views.md)
- [extract_schema_from_file_name](https://mariadb.com/docs/server/reference/system-tables/sys-schema/sys-schema-stored-functions/extract_schema_from_file_name.md)
- [Sys Schema sys_config Table](https://mariadb.com/docs/server/reference/system-tables/sys-schema/sys-schema-sys_config-table.md)
- [host_summary_by_file_io_type and x$host_summary_by_file_io_type Sys Schema Views](https://mariadb.com/docs/server/reference/system-tables/sys-schema/sys-schema-views/host_summary_by_file_io_type-and-xhost_summary_by_file_io_type-sys-schema-v.md)
- [User Variables Plugin](https://mariadb.com/docs/server/reference/plugins/other-plugins/user-variables-plugin.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://mariadb.com/docs/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://mariadb.com/docs/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/docs/server/reference/system-tables/sys-schema/sys-schema-views/host_summary_by_file_io-and-xhost_summary_by_file_io-sys-schema-views.md`)
- Use `Accept: text/markdown` header for content negotiation