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bharold

Is there any method built into Controller_Rest that provides request throttling? Just glancing at the API, there doesn't appear to be.

Harro

What do you mean by request throttling? Limit the number of requests per second? It total? or per client?

bharold

I'd like to set a limit on the maximum number of API calls from an individual IP address over a given period of time. It's mainly just a safeguard to prevent a poorly written piece of code from bringing the server down by flooding it with requests.

Harro

Ideally you should not do this at the (PHP) application level. The housekeeping will take valuable resources away from your application, resources you're trying to save just by implementing throttling.

You could use mod_security in apache: http://tech.superhappykittymeow.com/?p=285, mod_bwshare or mod_throttle. Or perhaps vmod_throttle in Varnish: https://www.varnish-cache.org/vmod/throttle.

If you want to do it yourself, this gives a great example on how to do it using a redis store for tracking: http://collectiveidea.com/blog/archives/2012/11/30/down-boy-how-to-easily-throttle-requests-to-an-api-using-redis/

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