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Learning Neo4j 3.x - Second Edition by Rik Van Bruggen, Jérôme Baton

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Building a cluster

The hardware elements that we will use are as follows:

  • Two laptops as core servers, running Linux, connected to a home WiFi network
  • Two raspberry Pi, 2 and 3, running as core servers

Read replica servers will be running as Docker containers. There will be five replicas running on my main laptop.

In a typical deployment, there are more read replicas than core servers. Of course, you can use any machine you want as long as it can connect to a network and run Neo4j. This can be more PCs, Macs, or any brand of credit card-sized computer running Linux.

Here, in a home environment, all servers are on the same network, plugged on the same router, and mostly in the same room (or not because of wifi and long cables). However, ...

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