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September 09

2020

Replicated Event Sourcing video

This video introduces Replicated Event Sourcing, new in Akka 2.6.9. Replicated Event Sourcing builds on top of EventSourcedBehaviors allowing multiple replicas to be kept in memory within an Akka Cluster.

The use cases for doing so are:

  • Running a replica per rack/availability zone to have zero downtime during rack/availability zone outages
  • Running a replica per DC for high availability
  • Running a replica per DC for data locality with clients

This video builds on top of the existing videos: