<p></p>
<p dir="auto">I haven't had a chance to review this fully yet. In the meantime, have you seen/considered <a href="https://github.com/rack/rack-attack">rack-attack</a>? It's widely used, can use memcache for storage, and might be easier when it comes to testing etc.</p>
<p dir="auto">I think the main choice here is in strategy - whether we want something like the rack-attack approach of having a centralised configuration, or the approach taken here where throttling is explicit in every controller.</p>

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