A node in the AppDynamics model is a single Node.js process instrumented by an AppDynamics app agent.
The node dashboard for Node.js is like the node dashboards for the other app agent except:
The tier dashboard for Node.js is similar to the tier dashboards for the other app agents except that it includes a tab for accessing the process snapshots for the nodes contained by the tier.
Seefor general information about tier dashboards.
See Monitor Node.js Processes for information about process snapshots.