[olug] Apache MaxClients and monitoring connections.

Kevin sharpestmarble at gmail.com
Wed Oct 6 06:51:06 UTC 2010

Sounds like this question I answered:

On Tue, Oct 5, 2010 at 16:58, Christopher Cashell <topher-olug at zyp.org> wrote:
> On Tue, Oct 5, 2010 at 3:54 PM, Dan Linder <dan at linder.org> wrote:
>> I'm working on sizing an Apache installation using the MaxClients parameter
>> to limit connections before it impact other shared services on this system.
>>  The Apache system will log when the MaxClients is hit, but I can't
>> determine how to get Apache to tell me how many clients it's currently
>> running.  (I'm hoping to log these numbers during their work-day and help
>> them determine a good size that balances responsiveness with the other tasks
>> on the system.)
> I would look into something like Munin.  It's a *very* simple system
> monitoring app that collects data and presents it as graphs.  They
> have plugins for Apache to track accesses, processes, and volume.
> Here's an example, linked from the Munin homepage, of a live Munin
> install with it's Apache monitoring plugins:
> http://munin.ping.uio.no/ping.uio.no/rossum.ping.uio.no.html#Apache
> The best thing about Munin is that you get a lot of information for
> almost no work.  Installation and setup is a 5 minute job if you do it
> manually, and a 30 second job if you are using Debian/Ubuntu.  The
> only thing you have to do after dropping it in is add an entry for the
> host to the config and make sure the plugins you want are enabled.
>> DanL
> --
> Christopher
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