Hello!

On Tue, Oct 28, 2014 at 08:01:33PM -0400, newnovice wrote:

> Maxim,
>
> http://nginx.org/en/docs/http/ngx_http_upstream_module.html#keepalive
>
> I would like to know what is the keepalive timeout for this connection pool?
> Is it static?

As of now, there is no timeout on nginx side. Connections are
closed either by backends or if there isn't enough room in
the cache.

> Also i want to understand - if there is a marriage between number of
> connections nginx gets vs how many it opens to upstream?

This depends on how long it takes to process a request (as well as
various other factors). As long as backends are fast enough, one
connection to upstream may be enough to handle tens or hundreds of
client connections.

--
Maxim Dounin
http://nginx.org/

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