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From "Davanum Srinivas" <dava...@gmail.com>
Subject Re: Large PDFs and Memory Usage
Date Fri, 15 Sep 2006 18:56:18 GMT
Yes, Axis2 will solve the memory spike issues.

-- dims

On 9/15/06, Aoife Kavanagh (Ext. 987) <aoife.kavanagh@fineos.com> wrote:
> Investigating an upgrade to Axis2 is an option but I would only want to go
> that route if I know for sure it will fix the problem as based on work done
> by one of my colleagues I know that there are alot of changes between Axis
> 1.x and Axis 2 and so this upgrading will result in the need for alot of
> other changes.
>
> Thanks,
> Aoife
>
> -----Original Message-----
> From: Neil Aggarwal [mailto:neil@JAMMConsulting.com]
> Sent: 15 September 2006 15:33
> To: axis-user@ws.apache.org
> Subject: RE: Large PDFs and Memory Usage
>
>
> Hello:
>
> Does Axis2 fix the large memory usage issues with Axis 1?
>
> Thanks,
>         Neil
>
>
> --
> Neil Aggarwal, (214)986-3533, www.JAMMConsulting.com
> FREE! Eliminate junk email and reclaim your inbox.
> Visit http://www.spammilter.com for details.
>
> > -----Original Message-----
> > From: Aoife Kavanagh (Ext. 987) [mailto:aoife.kavanagh@FINEOS.com]
> > Sent: Friday, September 15, 2006 8:23 AM
> > To: 'axis-user@ws.apache.org'
> > Subject: Large PDFs and Memory Usage
> >
> > Hi,
> >
> > We have a service running where the reutrn value from the
> > service invocation
> > is sent as String using SOAP over JMS.  We are encountering
> > problems with
> > memory consumption when that String is large, eg 1M or
> > greater.  It is not a
> > case of just increasing heap size, it is just that the amount
> > of memory
> > being used is can be anything from 1.3GB to 2.7GB.   We've
> > used hprof to
> > determine that the majority of this memory usage is occurring
> > in the Axis
> > (1.3)/Xerces code.
> >
> > I'm looking to see if there is anything that we can do to try
> > to reduce
> > this.  One thought is to return the data using xsd:base64Binary  or
> > xsd:hexBinary but it seems that the encoding data in to base64Binary
> > consumes memory and can cause trouble at the receiving end
> > with the XML
> > parser, so I'm not sure if it is worth proceeding down this route.
> >
> > Another thought is to send the data as MIME attachment (of
> > which I honestly
> > don't know much) but it's not clear to me, based on some
> > initial mailing
> > searches, if this approach will work any better, or if it even works
> > properly in Axis 1.3.
> >
> > >From what I can see in the lists plenty of people have
> > experienced this
> > memory spike problem and I'm just wondering if there are any
> > clear solutions
> > out there.
> >
> > Thanks,
> > Aoife
> >
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-- 
Davanum Srinivas : http://www.wso2.net (Oxygen for Web Service Developers)

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