# Page Not Found

The URL `ref/mdb/system-variables/relay_log_index` does not exist.

You might be looking for one of these pages:
- [mysql.innodb_index_stats](https://mariadb.com/docs/server/reference/system-tables/the-mysql-database-tables/mysql-innodb_index_stats.md)
- [Relay Log](https://mariadb.com/docs/server/server-management/server-monitoring-logs/binary-log/relay-log.md)
- [SUBSTRING_INDEX](https://mariadb.com/docs/server/reference/sql-functions/string-functions/substring_index.md)
- [CACHE INDEX](https://mariadb.com/docs/server/reference/sql-statements/administrative-sql-statements/cache-index.md)
- [mysql.general_log Table](https://mariadb.com/docs/server/reference/system-tables/the-mysql-database-tables/mysqlgeneral_log-table.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/the-mysql-database-tables/mysql-innodb_index_stats.md`)
- Use `Accept: text/markdown` header for content negotiation