Considerations

● State-less or state-ful services

● Are they can scale independently ?

Problems

● Database are stateful service

● Scaling stateful services are not easy

● Vertical scaling has limits need to scale

horizontally

Solutions

● Scale Stateful Application Horizontal Scaling

● Service and Data Partitioning along Business

Boundaries - Shards/Pods

● Use NoSQL Database to gain easy partitioning features 

https://www.simform.com/blog/bottlenecks-of-scaling-database-how-to-solve/