On 7 Oct 2010, at 10:27, Andreas Truszkowski wrote:

> Hello together,
> 
> I am developing the CDK-Taverna project for Taverna 2.2. The plugin uses 
> iterative I/O workers for accessing big data files. Although using the 
> iterative loading strategie the memory usage is enormous.

Which ReferenceService configuration are you using? If you are using InMemory 
you should try the Hibernate configuration. 

> Trying to profile the memory usage with VisualVM fails with the 
> 2.1-snapshot workbench. Are there other/better strategies to profile the 
> memory usage in plugins?

I have used JProfiler to profile the memory usage in the Taverna engine - it 
seemed to work quite well.

The latest snapshot of Taverna 2.3 has much improved memory usage - it may be 
worth trying that version.

> Furthermore, are there any guidelines for using the Taverna plugin API 
> to avoid memory leaks?
> 
> Thank you in advance.
> Cheers,
> Andreas
> 
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------------------------------------------------------------------------------
Beautiful is writing same markup. Internet Explorer 9 supports
standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
Spend less time writing and  rewriting code and more time creating great
experiences on the web. Be a part of the beta today.
http://p.sf.net/sfu/beautyoftheweb
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