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What is a Blueprint Cluster?

Brief introduction to Blueprint clusters and their importance
Clustering in NodeJS is the process of running multiple instances of a NodeJS application such that one process is the master process and the other processes are worker processes. This is necessary feature because a NodeJS application is single-threaded. This means that all events are processed by the same execution thread. We you run a NodeJS application on a multi-core machine, it is hard for the NodeJS application to take advantage of computing power available via the many cores on the machine.
We understand the importance of running a NodeJS cluster when it relates to scaling an NodeJS application to handle large numbers of requests. We therefore have integrated cluster support into Blueprint.
A Blueprint cluster is when you run a Blueprint application as a NodeJS cluster.
Blueprint cluster is an experimental feature. Its functionality may change in the future as we learn more about its usage in the wild.