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Editorial Team
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Asked: 2026-05-23T23:14:43+00:00

I have a feedback form on server A . Due to heavy traffic I

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I have a feedback form on server A. Due to heavy traffic I want to redirect some of these POST requests to another server B based on the category of feedback (a field in the post form).

The problem is the feedback form is distributed across multiple mobile applications and is hard-coded now. We cannot change anything in the Form post now.

What is the best approach? Is it possible to do using DNS redirection? I would ideally like that before the request reaches the Apache server to increase the load, the redirection happens. Please suggest.

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  1. Editorial Team

    Ideally you need to change the form (not the actual form itself, but supporting code). The idea is to add some JavaScript, that upon submitting a form checks that “category” field and changes the value of form’s “action” attribute making it submitted to a desired server.

    If that is cannot be done at all (for whatever reason), then this may be implemented on server side. Instead of hitting Server A directly, it should hit Server Zero — a load balancer, which then can route the request further based on the logic you provide: e.g. 1) choose less busy server; 2) randomly choose server; 3) analyse POST form data and choose right server; 4) other options. #2 can be implemented via DNS (an example is available in the link below).

    Any load balancer should be able to implement options 1 & 2. For other options you have to check if specific load balancer (software or hardware) supports it (check feature list).

    Links:

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