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Performance tuning Virgo [message #642362] Tue, 30 November 2010 20:35 Go to next message
No real name is currently offline No real name
Messages: 15
Registered: June 2010
Junior Member
We are getting ready to release an OSGI application into production. What are some suggestions/recommendations for Virgo performance tuning?

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Re: Performance tuning Virgo [message #642369 is a reply to message #642362] Tue, 30 November 2010 22:46 Go to previous messageGo to next message
Glyn Normington is currently offline Glyn Normington
Messages: 1186
Registered: July 2009
Senior Member
Please see Virgo's profiling page. Smile

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Re: Performance tuning Virgo [message #642370 is a reply to message #642369] Tue, 30 November 2010 22:57 Go to previous messageGo to next message
No real name is currently offline No real name
Messages: 15
Registered: June 2010
Junior Member
Glyn, thanks for the quick reply. I may not have been clear in my request. I think you are referring to profiling/tuning of the application. I was more interested in tuning parameters for the Virgo server.

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Re: Performance tuning Virgo [message #642829 is a reply to message #642370] Thu, 02 December 2010 15:28 Go to previous messageGo to next message
Hristo Iliev is currently offline Hristo Iliev
Messages: 152
Registered: May 2010
Location: Sofia, Bulgaria
Senior Member
Hi Paul,

Can you please provide more details on what your application uses in terms of technology and infrastructure?

For example if you use JSPs as I saw from your other thread perhaps its worth taking a look at some Tomcat performance guides.

How dynamic is your application? Do you expect to have different modules come and go often or you have more or less a static setup?

Regards,
Hristo Iliev

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Re: Performance tuning Virgo [message #642830 is a reply to message #642829] Thu, 02 December 2010 15:40 Go to previous messageGo to next message
No real name is currently offline No real name
Messages: 15
Registered: June 2010
Junior Member
Hi Hristo,

The application is mostly static - no reloading once the PAR is started. It is a PAR that contains multiple bundles and has external bundle dependencies. The technology stack includes: Spring 3.0.4, Spring Security, Spring MVC, Spring WS, JSPs, Tiles, Dozer, and Hibernate.

Thanks,
Paul

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Re: Performance tuning Virgo [message #643111 is a reply to message #642830] Sat, 04 December 2010 11:13 Go to previous message
Hristo Iliev is currently offline Hristo Iliev
Messages: 152
Registered: May 2010
Location: Sofia, Bulgaria
Senior Member
Since you don't need reloading I guess most of the performance settings should come from the technology stack components that you are using - Spring, JSP ...

Currently there aren't much settings you can play with. I believe that "productive mode" support is a major scenario that has to be covered so feel free to raise an enhancement request for any additional tuning parameters that will make your life easier.

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