[CentOS] Apache jserv monitoring?

Wed Jun 11 16:27:08 UTC 2008
Les Mikesell <lesmikesell at gmail.com>

Sean Carolan wrote:
>> Sounds similar to the mod_jk connector in apache to connect to
>> tomcat. When I had to deal with this I setup a dedicated apache
>> instance on each system running tomcat whose sole purpose for
>> existence was for testing that connector.
>>
>> So say setup an apache instance on another port, and have it
>> direct all traffic back to mod_jserv, then hit the apache
>> instance with http. It's not perfect but at least for me apache
>> was a lot more stable than tomcat especially in such a basic
>> configuration, so it worked well as a way to test the health
>> of the mod_jk connector.
> 
> Excellent idea, Nate.  I already have apache installed on all these
> servers, so it should be fairly trivial to set up a local test site
> just for this purpose.  I'm going to test this out in our lab
> environment today and see how it performs.

If this is old enough to be running a Sun 1.4.x JVM and the web server 
generates images, there was a bug that caused the JVM itself to leak 
memory under certain circumstances.  I've forgotten the details but it 
was something like an unreleased file reference per image.

-- 
   Les Mikesell
    lesmikesell at gmail.com