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From Jeff Turner <je...@apache.org>
Subject Re: Memory leak? (issues.apache.org)
Date Fri, 05 May 2006 12:08:53 GMT
On Thu, May 04, 2006 at 11:10:20AM +0200, Remy Maucherat wrote:
> Jeff Turner wrote:
> > 1 May:  93 Objects (126Mb)
> > 2 May:  107 Objects (263Mb)
> > 3 May:  492 Objects (486MB)
> 
> BodyContentImpls are pooled and reused since it makes JSP processing 
> significantly faster. If the application is evil, and uses body tags 
> with huge bodies (it seems to be the case here), then there could be a 
> problem.
> 
> Large buffers may be discarded after usage, by setting the 
> "org.apache.jasper.runtime.BodyContentImpl.LIMIT_BUFFER" system property 
> to "true". Unfortunately, performance will go down and GC activity will 
> go up.

Thanks, I'll give that a try.


--Jeff

> If you would like to limit the amount of resident memory that is used, 
> you can disable pooling of buffer objects completely using the 
> "org.apache.jasper.runtime.JspFactoryImpl.USE_POOL" system property set 
> to "false". The performance will go down further due to object 
> allocations and GC activity, but you may have a few CPU cycles to spare.
> 
> BTW, you can set system properties in the catalina.properties file 
> (although you may set them on the command line too).
> 
> Rémy
> 
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