I currently have 2 nodes of ejabberd with a lot of traffic going into the boxes.
Intermittenly, an authentication request (every step to authenticate) to http-bind will take up to 60 seconds.
Is it this an issue of memory or load? Should I add another node?
Your sitution is typical of
Your sitution is typical of high load on the http_bind process. For ejabberd_authentication calls, these have to be done in together so nothing can be done to optimize.
My company had same issue and was fixed with adding another node.
You can do the same.
Are there any tweaks we can
Are there any tweaks we can do to the ejabberd instances to improve performance/traffic handling?
What about traffic shapers? If traffic shapers are very low, would that stop http_bind from processing items?