General Mongrel Question

Could someone please clarify for me what is mongrel cluster vs. proxy
vs. all that other stuff you use with mongrel?
I’m basically confused why I can’t simply run one mongrel server and be
happy.
Why do I need a cluster? Why can’t I just run:

mongrel_rails start -n 3

wouldn’t that mean I have 3 mongrel servers running and they can handle
more load? Or do I still need something in front of these 3 servers to
distribute requests to them. Why do people use Apache infront of
Mongrel? So what about Pound?

Basically I’m very confused with all these options out there to run in
production environment using Mongrel. Please help me and explain to me
why all this is needed.

Thank you in advance.

On Tue, Apr 15, 2008 at 11:33 AM, Greg L. [email protected]
wrote:

Why do I need a cluster? Why can’t I just run:

mongrel_rails start -n 3

That starts 3 mongrel instances, each listening on a different port.

wouldn’t that mean I have 3 mongrel servers running and they can handle
more load? Or do I still need something in front of these 3 servers to
distribute requests to them. Why do people use Apache infront of
Mongrel? So what about Pound?

People put something in front of the mongrels because they need a way
to balance the load, which is all coming into one ip/port, across
multiple processes, each of which are listening on a separate port.

This mechanism can be a web server with proxying capabilities, like
Apache or nginx, a proxy with web serving capabilities, like
Swiftiply, or a straight proxy like Pound or HAProxy.

Kirk H.

Then what is the point behind mongrel_cluster?

On Tue, Apr 15, 2008 at 1:14 PM, Greg L. [email protected]
wrote:

Then what is the point behind mongrel_cluster?

It is an attempt to make it simpler to manage the mongrel processes.

Kirk H.

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