On Thu, Jul 19, 2012 at 03:34:09PM +0800, fhal wrote:
> Hi All,
>
> According to NGINX wiki,
>
> limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
>
> server {
> location /search/ {
> limit_req zone=one burst=5;
> }
>
> means allows a user no more than 1 request per second on average, with
> bursts of no more than 5 requests.
>
> But what's the difference between rate= and burst=?
> For example,
>
> limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
> limit_req zone=one burst=5;
>
> limit_req_zone $binary_remote_addr zone=one:10m rate=5r/s;
> limit_req zone=one burst=1;
>
> What's the difference between above code? From my understanding, for both
> settings, users can establish no more than 6 requests at the same time.

http://nginx.org/en/docs/http/ngx_http_limit_req_module.html

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