httpd-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Lenin <lenin....@gmail.com>
Subject Re: [users@httpd] How does mod_proxy_balancer know a session is still alive ?
Date Tue, 25 Sep 2012 01:55:32 GMT
Thanks Eric, I got it.

2012/9/24 Eric Covener <covener@gmail.com>

> On Mon, Sep 24, 2012 at 5:15 AM, Lenin <lenin.lee@gmail.com> wrote:
> > Hi,
> >
> > I set up a load balancing environment with mod_proxy_balancer, and use
> > 'stickysession' to achieve session stickyness.
> >
> > I know this module uses a cookie to keep sessions. The question is, how
> does
> > it know if a session is still alive ? For example, if there are two
> servers
> > behind the balancer, 100 sessions for each of them. If the 100 sessions
> of
> > the first server have already been closed, will apache still assume the
> > first server is busy and throw new sessions to the other one ?
>
> mod_proxy_balancer doesn't keep track of how many sessions (in session
> cookie terms) are established.
>
> """
> At present, there are 3 load balancer scheduler algorithms available
> for use: Request Counting, Weighted Traffic Counting and Pending
> Request Counting. These are controlled via the lbmethod value of the
> Balancer definition. See the ProxyPass directive for more information.
> """
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
>
>


-- 
初从文,三年不第。遂习武,校场发一矢,中鼓吏,逐之出。后学医,有所成,自撰一良方,服之,卒。

Mime
View raw message