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From Anthony Bull <>
Subject Re: [Axis2] Performance and scalability for large numbers of services
Date Tue, 22 Apr 2008 00:12:42 GMT
I don't have the answers to this, but one thing to watch is your PermGen 
memory for the JVM, we've had to increase this on our Tomcats to handle 
lots of web services that have their jars included in the .aar (as 
opposed to using common shared jars in WEB-INF/lib).  You get to a point 
where your Tomcat or JVM just hangs permanently, often without error 

Dave MacLean wrote:
> Hello,
> We are using Axis2 to host a large number of web services contained in
> .aar archives.  We have some code that will allow users to automatically
> generate new services "on-the-fly" that leverages the hot-deployment
> features in Axis2, and so we end up with potentially large numbers of
> services deployed at a given time.
> I was wondering if there have been any scalability tests done, or if
> there is a guideline on approximately how much hardware is needed to
> host X number of services, etc.  I have not been able to find anything
> in the docs or mailing list archives.  Basically, I want to know when we
> might start to run into performance problems, and how many services we
> can realistically expect to host on a single server.
> Is there any data available on this?  Anyone else running a similar
> setup that can share their findings?
> Thanks in advance,
> Dave
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Anthony Bull
Senior Developer
Black Coffee Software Ltd
PO Box 10-192 The Terrace
Wellington, New Zealand
Ph  +64 4 472 8818
Fax +64 4 472 8811
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