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Distributed Architecture with Kafka

Updated: November 15, 2024

Architecture Description

Compared to the Compact Architecture with Kafka, this architecture includes a Kafka cluster and a Zookeeper cluster so that SPOF (single point of failure) no longer exists, and consequently provides a full high availability and fault tolerant Nuxeo architecture.

In this architecture:

  • A load balancer with sticky sessions is used.
  • A total of two machines are prepared for the application cluster. Each machine holds a Nuxeo server node and a reverse proxy. More machines can be added later for scalability purpose.
  • An Elasticsearch cluster with at least 3 nodes
  • A database cluster with at least 2 nodes
  • A Kafka cluster, with at least 2 nodes, as the default implementation for Nuxeo Stream
  • A Zookeeper cluster, with at least 3 nodes, to orchestrate the Kafka cluster nodes, Kafka topics, partitions etc.

2-simple-architecture-with-kafka.png
2-simple-architecture-with-kafka.png

Limitations

At this stage, this architecture is fault tolerant and in high availability, and the architecture should be tuned depending on the kind of requests and loads.

→ Check the scalability options to:

  • Add Nuxeo nodes for specific loads (API node, worker node and import nodes)
  • Set up data partitioning with database sharding and a multi-repository approach