Default PostgreSQL Metrics

• postgres.database.database_name.blks_hit
• postgres.database.database_name.blks_read
• postgres.database.database_name.connections
• postgres.database.database_name.numbackends
• postgres.database.database_name.size
• postgres.database.database_name.tup_deleted
• postgres.database.database_name.tup_fetched
• postgres.database.database_name.tup_inserted
• postgres.database.database_name.tup_returned
• postgres.database.database_name.tup_updated
• postgres.database.database_name.xact_commit
• postgres.database.database_name.xact_rollback
• postgres.database.postgres.connections