July 2017
Beginner to intermediate
340 pages
7h 43m
English
Content preview from Python Microservices Development
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Data storing and sharing
Another problem is data storing and sharing. An effective microservice needs to be independent of other microservices, and ideally, should not share a database. What does this mean for our hotel booking app?
Again, that raises a lot of questions such as the following:
- Do we use the same users' IDs across all databases, or do we have independent IDs in each service and keep it as a hidden implementation detail?
- Once a user is added to the system, do we replicate some of her information in other services databases via strategies like data pumping, or is that overkill?
- How do we deal with data removal?
These are hard questions to answer, and there are many different ways to solve those problems, as we'll learn throughout ...