dingni wrote:

>I just want to follow up. If quota's windows is behaved like my 
>test(I could sent to 16 recipients in 5 minutes with a quota limit 
>at 8 recipients), I know this far-fetched in real environment.  How 
>hard is to tweet the formula to block at exactly or close to the 
>quota limit.

Why do you need an "exact" quota ? Doing anything other than the rate 
based method used now is a lot harder and computationally more 
expensive* - which gives a fair approximation over a period. If you 
user tries to send messages continuously, then they will in fact be 
throttled to a rate of approximately 8/300s - it's just that if they 
have a gap, they can initially burst an additional 8 messages out 
before the rate limiting cuts in.

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.
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