Invalidating space timestamp

At the first access, we will see the following in the logs: Unsurprisingly, the database is hit again.Two web requests, requiring the same data, arriving almost at the same time, will make a database call each.On top of second level cache, a query cache can be added.Query cache is optional, and depends on second level cache.Before discussing these levels of cache, we need to discuss a little about Hibernate architecture.Full Hibernate documentation can be found here; the relevant information is the existence of a class, object is a single-threaded, short-lived object, usually associated with a session (for example a web session, mapping a web request). The first level cache is associated with this object.Now, that we configured Hibernate, we need to integrate a caching provider.

To see what DB calls the application makes, we will set property hibernate.show_sql to value true.I’s a REST API, retrieving data from the following database: The database models an electronic store.The store has several branches, saved in the stores table (which id, city, address).Also, we introduce new branches, or change their address, very seldom.Once a store query was cached, it will be invalidated each time we add or update a store.

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