Set the memcache service level to dedicated. Create a key from the hash of the query, and return database values from memcache before issuing a query to Cloud SQL.

Set the memcache service level to dedicated. Create a cron task that runs every minute to populate the cache with keys containing query results.

Set the memcache service level to shared. Create a cron task that runs every minute to save all expected queries to a key called 'cached_queries'.

Set the memcache service level to shared. Create a key called 'cached_queries', and return database values from the key before using a query to Cloud SQL.