# Page Not Found

The URL `ref/mdb/wsrep_provider_options/gcs.sync_donor` does not exist.

You might be looking for one of these pages:
- [VEC_DISTANCE_COSINE](https://mariadb.com/docs/server/reference/sql-functions/vector-functions/vec_distance_cosine.md)
- [CURRENT_DATE](https://mariadb.com/docs/server/reference/sql-functions/date-time-functions/current_date.md)
- [Stored Function Overview](https://mariadb.com/docs/server/server-usage/stored-routines/stored-functions/stored-function-overview.md)
- [4-Semi-Sync Replication](https://mariadb.com/docs/server/reference/clientserver-protocol/replication-protocol/4-semi-sync-replication.md)
- [MICROSECOND](https://mariadb.com/docs/server/reference/sql-functions/date-time-functions/microsecond.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/sql-functions/vector-functions/vec_distance_cosine.md`)
- Use `Accept: text/markdown` header for content negotiation