Scale Cube in Microservices ​System Design

Scalability is the process of either splitting the application or share the workload among various servers or services.

In a microservices design you may scale application in three dimensions to make it highly available. But it comes with a cost, the more units you create, the complex it becomes. So there is always a need to keep balance between the number services and its responsibility.

It all boils down to three dimension, where at x axis, we scale by cloning. At Y axis the application is decomposed into smaller units and at z axis similar data set is partitioned into multiple units.

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