nginx as remote proxy - limit number of concurrent connections?
Antonio P.P. Almeida
appa at perusio.net
Mon Apr 2 09:54:04 UTC 2012
> I'm using nginx as a remote proxy server in front of a bunch of Tomcat
> instances, and occasionally I'm running into a situation where all
> available threads are used up in the Tomcat instances, which causes
> various problems. Rather than trying to deal with these problems in that
> layer, I was wondering about preventing the situation from arising by
> limiting the number of concurrent connections to the upstream servers in
> nginx. I'm not entirely sure how to do this, but I have no doubt it's
> doable. Suggestions, please!
Try this: http://nginx.localdomain.pl/wiki/UpstreamFair
with the weight_mode=peak option.
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