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:pjos...@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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