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From Paul Joseph <pjos...@gmail.com>
Subject Re: scaling problem
Date Fri, 21 Oct 2011 13:03:43 GMT
Ah interesting...does it apply to Cocoon 2.1.11 (should have mentioned 
earlier, that's what I am using.)


On 10/21/2011 8:44 AM, Robby Pelssers wrote:
> For what it's worth... check this thread and see if this applies:
> http://www.mail-archive.com/users@cocoon.apache.org/msg45665.html
>
> Robby
>
> -----Original Message-----
> From: Paul Joseph [mailto:pjoseph@gmail.com]
> Sent: Friday, October 21, 2011 2:42 PM
> To: users@cocoon.apache.org
> Subject: scaling problem
>
> Hi there,
>
> I have been supporting a cocoon app for several years and it has been
> quite successful when about 10 users are accessing it at the same time,
> in the 32 bit Windows/Tomcat envrionment.
>
> Now, the app is being used by larger groups and in higher numbers.  So I
> put it on in Windows 64 bit, using the new JDK 7 64 bit release and
> Tomcat 64, all on a server class machine.
>
> I specified max memory to be 3500 MB.
>
> A recent load test showed that searches are a problem.  When a user runs
> a search and retrieves 1000 records, after several users doing this
> several times, the JVM runs out of memory.
>
> I estimate it takes a retrieval of a total of 500,000 records (adding up
> each user's queries) before the server runs out of memory...
>
> I tried the new garbage collector by specifying in Tomcat's Java options
> -XX:+UseG1GC  but this seems to have little effect.
>
> Any suggestions would be appreciated.
>
> thx.
> Paul
>
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