tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tomcat Random <tomcat.ran...@gmail.com>
Subject Re: Configuration question for 2500 simultaneous users.
Date Thu, 01 Aug 2013 22:08:42 GMT
Thanks Mark, I've been getting up to speed on JMeter. I've used selenium
before. "The particulars depend on your particular application" - agreed.
That part I can work out myself by looking at bottlenecks, generally timing
areas of the application with more and more granularity, in places where
the app behaves slowly.

Best,
Alec


On Tue, Jul 30, 2013 at 6:17 PM, Mark Eggers <its_toasted@yahoo.com> wrote:

> On 7/30/2013 1:17 PM, Tomcat Random wrote:
>
>> Thanks Mark, I will give it a close read.
>>
>> As far as profiling, are you using any tools that are worth mentioning?
>>
>>
> Nothing outstanding, since currently all of our applications are pretty
> lightweight. That may change if we redo the architecture.
>
> JMeter / Selenium in combination can generate a lot of traffic. Generate a
> selenium test script, export to JUnit, couple with HTMLUnit, and hammer
> away.
>
> There are several ways to watch what goes on with your application:
>
> JConsole
> VisualVM
>
> The Tomcat Wiki page has more:
>
> http://wiki.apache.org/tomcat/**FAQ/Monitoring<http://wiki.apache.org/tomcat/FAQ/Monitoring>
>
> For lighter weight profiling (usually to figure out where the application
> bottlenecks are), I run the project under NetBeans and instrument the
> project.
>
> Access logs are usually a good first source for generating JMeter tests.
>
> In general, people can only give you guidelines concerning sizing,
> profiling, and benchmarking. The particulars depend on your particular
> application.
>
>
> . . . . just my two cents.
> /mde/
>
> PS - Please don't top post.
>
>  Best,
>> A
>>
>>
>>
>> On Tue, Jul 30, 2013 at 4:02 PM, Mark Eggers <its_toasted@yahoo.com>
>> wrote:
>>
>>  On 7/30/2013 12:42 PM, Tomcat Random wrote:
>>>
>>>  The project I'm working on has 5000 simultaneous users average. I have
>>>> two
>>>> physical servers both running an instance of Tomcat 7.0. They're behind
>>>> a
>>>> physical load balancer with sticky, least connections balancing. Nothing
>>>> in
>>>> front of the Tomcats. Port 80 to is routed to them by iptables.
>>>>
>>>> Anyone out there willing to offer some tips (or point me to them) on
>>>> configuration for this amount of traffic?
>>>>
>>>> Environment is:
>>>> DELL PowerEdge R720 - 32 GB DELL RAM, GB Memory: 32
>>>> Single Socket Six Core Intel Xeon E5-2640 2.5GHz, #Processors: 1, #Cores
>>>> per Proc: 6
>>>> RHEL 6
>>>>
>>>> TIA,
>>>> Alec
>>>>
>>>>
>>>>  A great overview, and a solid outline of the process you should follow:
>>>
>>> http://people.apache.org/~****markt/presentations/2009-04-**<http://people.apache.org/~**markt/presentations/2009-04-**>
>>> 01-TomcatTuning.pdf<http://**people.apache.org/~markt/**
>>> presentations/2009-04-01-**TomcatTuning.pdf<http://people.apache.org/~markt/presentations/2009-04-01-TomcatTuning.pdf>
>>> >
>>>
>>>
>>> That, plus profiling your application with real-world traffic to
>>> understand bottlenecks and use cases . . .
>>>
>>> . . . just my two cents.
>>> /mde/
>>>
>>
>
> ------------------------------**------------------------------**---------
> To unsubscribe, e-mail: users-unsubscribe@tomcat.**apache.org<users-unsubscribe@tomcat.apache.org>
> For additional commands, e-mail: users-help@tomcat.apache.org
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message