Limit number of concurrent connections in Apache2

Question

Is there a way I can limit the number of concurrent connections to the Web Application running on my Apache Server.

My server version is Apache 2.2.11

Answer 1

I'm not sure if it will useful to you but definitely worth a chance.

Maybe you can use the directives MaxClients and ListenBackLog

Although they apply to the concurrent access to the entire server, not only your application, and on a resource base.

Answer 2

Have a look at limitipconn module.

Answer 3

We completely built an application layer thing that stored, checked and restricted the limit on # of application users that could be logged on concurrently.

If it got exceeded, we sent them to a 'waiting room' - worked like a charm.

So it was all application managed - we had multiple apache servers in a cluster.

We were not using the Zend clustering stuff , IMO.