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From János Löbb <janos.l...@yale.edu>
Subject Re: Tomcat on AIX 5.3
Date Wed, 14 Apr 2010 19:13:21 GMT
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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>
>
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