Why is node.js only processing six requests at a time?

Question

We have a node.js server which implements a REST API as a proxy to a central server which has a slightly different, and unfortunately asymmetric REST API.

Our client

Answer 1

I have seen the same problem in my server. It was only processing 4 requests. As explained already from 0.12 maxsockets defaults to infinity. That easily overwhelms the sever. Limiting the requests to say 10 by

http.globalAgent.maxSockets = 20;

solved my problem.