Filip,

What tool - java based or aix based -, can I use to see where does the time go ? /I am not a Java programmer/ I do not think it is the webapp, or tomcat, because the same configuration is fast on OSX server.
DNS is working fine.

Thanks ahead,

János

On Apr 14, 2010, at 11:28 AM, Filip Hanik - Dev Lists wrote:

you'd have to figure out what takes the time. Could be anything, including a DNS timeout

Filip

On 04/14/2010 08:34 AM, János Löbb wrote:
Hi,

I installed Tomcat 6.0.26 in an IBM P6 LPAR . The java version is "1.5.0" that is equivalent to Java 5. The LPAR has 12G memory and there are two databases on it, a Sybase and a MySql. Sybase takes 3 G and mysql takes 3 G, so there is still plenty for Tomcat.

The idea to put Tomcat here, was, that the webapp is connecting to the Sybase database on this LPAR, so getting the data locally should be faster than getting it via the network from another machine running Tomcat.

Interestingly it is not the case. When the same webapp deployed on the LPAR and on the other machine - an OSX Server 10.5.8 -, the screens on a client machine are coming much faster from the OSX server compared to the AIX LPAR.

Is there anything special configuring Tomcat on AIX than on OSX ?

On both machines the memory settings are the same for tomcat :
CATALINA_OPTS="-server -Xms512M -Xmx1024M"

and on AIX the option to use the IPv4 Stack is set in JAVA_OPTS.

None of the .xml files were modified in the conf directory.

Thanks ahead,

János
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