Ejabberd (amnesia) Cluster with a large amount of connections/nodes - your experience

Hello there,

We're supporting a very large number of concurrent connections on many nodes.

I was wondering if some might know what's the maximum number of nodes/concurrent connections that can be run on a cluster.

The reason I'm asking is because each node is configured to receive a max of 25 users per second. While one of our firewalls dropped, we experienced a massive number of locks, which overloaded the system, the nodes were at max sessions and then started dropping.

The strange thing is, that it happened a couple of days before WITHOUT a firewall drop.

Any ideas would be appreciated.

Thanks in advance.

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