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From Felix Schumacher <felix.schumac...@internetallee.de>
Subject Re: PSI-PROBE query
Date Mon, 10 Dec 2012 14:20:00 GMT
Hi Vicky,

Am 09.12.2012 19:56, schrieb vicky:
> Yes Chris, i am pretty sure that nobody is accessing the application.
>
> The moment i start my Tomcat the "Request Count " reaches values of
> 400+ within few seconds, this value is getting incremented by 6
> everytime (eg: 6,12,18,24,30)
which port do you use to connect to psi-probe itself? We often use the 
http-connector, which would be 8080 in your case.

Regards
  Felix
>
> Whereas my AJP Connector "Request Count"  is showing the correct
> numbers depending  on the requests which all are redirected from
> APache.
>
> As of now i have not configured the "AccessLogValve" , but will try
> out this option definitely
>
> Please suggest 
>
> Thanks
> Vicky
>
>
> ________________________________
>  From: Christopher Schultz <chris@christopherschultz.net>
> To: Tomcat Users List <users@tomcat.apache.org>
> Sent: Sunday, 9 December 2012 10:29 PM
> Subject: Re: PSI-PROBE query
>
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>
> Vicky,
>
> On 12/9/12 7:05 AM, vicky wrote:
>> I am trying to gather statistical information about the number of
>> requests served by my tomcat (forwarded from Apache MPM worker) &
>> for this i am using /PSI-PRobe
>> (http://code.google.com/p/psi-probe/) application. I have enclosed
>> the "PROBE screenshot" as well for your reference,
>
> Sorry, this list strips attachments. Please copy/paste the numbers
> into a followup post.
>
>> in this "Request Time "," Processing Time " values  for  http-8080
>>  connector are keep on increasing even when no one is accessing
>> the application.
>
> Are you sure nobody is accessing the application? Do you have an
> AccessLogValve (or Filter) enabled?
>
>> I am wondering how can i get the report of number of requests which
>> all are served by my tomcat instance, i am not able to relate to
>> the numbers which all are getting displayed in the Probe
>> Application. Does i am doing something wrong in interpreting the
>> Probe Application output
>
> If you want to know which requests are taking a long time, configure
> (or re-configure) an AccessLogValve to include the total time for the
> request. Then sort your log file by response-time and start at the
> longest response to see what's going on.
>
> Psi Probe likely uses JMX (or maybe gets the data directly from 
> Tomcat
> in the same way that the JMX beans get their data), so all that same
> data is available the JMX. Attach to Tomcat using jconsole, 
> jvisualvm,
> etc. and poke around: there's a lot of good information in there.
>
> - -chris
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