If you are building a service oriented system and you want to build it for scale as well as flexibility. There are a few questions you need to make sure are asked and answered regarding the data interchange between services and offline persistency of services data. Questions as:
- How can I change a service API without breaking other services?
- How do I keep data from services consistent over time?
This talk covers the challenges we tackled during building our new service oriented system. Summarizing what we realized would bad Ideas to do, what are the better approaches to data consistency.
It includes a dive into the Apache Avro technology and how we used it.
Also what other supporting infrastructure we created to help us achieving the goal of consistent yet flexible system.