# Page Not Found

The URL `ref/mdb/sys/x$innodb_lock_waits` does not exist.

You might be looking for one of these pages:
- [InnoDB Lock Modes](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-lock-modes.md)
- [mysql.innodb_index_stats](https://mariadb.com/docs/server/reference/system-tables/the-mysql-database-tables/mysql-innodb_index_stats.md)
- [mysql.innodb_table_stats](https://mariadb.com/docs/server/reference/system-tables/the-mysql-database-tables/mysql-innodb_table_stats.md)
- [LOCK TABLES](https://mariadb.com/docs/server/reference/sql-statements/transactions/lock-tables.md)
- [InnoDB Limitations](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-limitations.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/server-usage/storage-engines/innodb/innodb-lock-modes.md`)
- Use `Accept: text/markdown` header for content negotiation