A beginner’s guide to Cache synchronization strategies
Introduction A system of record is the authoritative data source when information is scattered among various data providers. When we introduce a caching solution, we automatically duplicate our data. To avoid inconsistent reads and data integrity issues, it’s very important to synchronize the database and the cache (whenever a change occurs in the system). There are various ways to keep the cache and the underlying database in sync and this article will present some of the most common cache synchronization strategies.