Re: Help needed with event MPM configuration

[Rajalakshmi Iyer <raj@xxxxxxxxxxxxx>]

So we have a situation where keep=alive connections are not being used effectively by client applications (i.e. subsequent requests on keep-alive connections are not frequent enough to keep Apache workers busy all the time, resulting in low CPU utilisation). At the same time, because there are already so many keep-alive connections, the server is not accepting any more new connections from the client application.

Thus, the server is mostly idle but not accepting new connections. 

Does reducing the KeepAliveTimeOut sound like a good option in this case?

Could you also elaborate on the statement --- With event, keep alive connections don't tie up a thread between requests. Does that mean a thread is allotted per connection, rather than per request in case of keep-alive connections (thus essentially mimicking a worker MPM rather than an event MPM)?

Thanks,

Raj

On Tue, Nov 4, 2014 at 4:25 PM, Eric Covener <covener@xxxxxxxxx> wrote:

On Tue, Nov 4, 2014 at 11:23 AM, Eric Covener <covener@xxxxxxxxx> wrote:
> No, with event, keepalive connections don't tie up a thread between requests.

Sorry, I see what you mean. Yes, each process will stop calling accept
out of fear that too many keepalive connections may become active (and
hence be queued). Each process does this in case other processes are
not similarly bogged down.

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