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From Jonathan Zuckerman <>
Subject Re: [users@httpd] Re: Load balancing between different versions of a web application
Date Mon, 06 Jul 2009 23:26:03 GMT
On Mon, Jul 6, 2009 at 1:49 PM, Pranjal Thakur<> wrote:
> Hello,
> My problem is mentioned in the previous post (see below). I want to add that
> I cannot use sticky sessions as the cloud that hosts our sessions is fully
> clustered and so has the ability to send requests to a different server
> instance in case the current instance fails.
> let me know if there is a way to achieve this.
> thanks.
> On Mon, Jul 6, 2009 at 11:24 AM, Pranjal Thakur <> wrote:
>> This is more of a theoretical question.
>> I want to know if it is possible to do this:
>> I have various versions of a web application, each running certain number
>> of instances.
>> When a request comes in, it goes to a certain instance of some version.
>> I want the load balancer to now route further requests from this user to
>> only the instances of the version it was first routed to.
>> I can maintain a cookie or some other way to save the version number of
>> the instance. But I need the load balancer to now take that into
>> consideration for further requests.
>> Is this possible and Is there any plugin available for this?
>> Any help will be appreciated. thank you.

Probably will need to contact whoever hosts your app for more info,
but theoretically I don't see why this can't be achieved, what type of
load balancer are you using?  I used netscaler briefly in the past and
it was infinitely configurable..

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