Provide a Service Status Page to help diagnose problems with MusicBrainz slaves.
Such a page could help with people's deployments - many PHP application do this.

Example service status page attached.

Suggested things to check:

• Database accessible for Read and Write access
• Database migration level
• Deployment directory
• File permissions are correct
• Spool directory for replication packets is correct
• Last replication time
• Search server is accessible
• memcache status and statistics
• total number of rows in database table
• GIT version number
• Version numbers of dependencies
• Count the amount of 200s that have occured today so far.
• Count the amount of 404s that have occured today so far.
• Count the amount of 500s that have occured today so far.