upstream keepalive close connections actively

[Maxim Dounin]

Hello!

On Wed, Aug 03, 2011 at 10:49:10AM +0800, 卫越 wrote:

> I use nginx 0.8.54 together with latest keepalive module and ajp 
> module to build proxy for java runtime, and notice when "accept 
> mutax" is on, the number of upstream connections is 10 to 20 
> times of that when "accept mutax" is off.

Code you provided suggests you've not using latest keepalive 
module but rather something like 0.2  Current version is 0.4.  
Check similar to one your (but correct one) was added in upstream 
keepalive module 0.3, see [1].

[1] http://mdounin.ru/hg/ngx_http_upstream_keepalive/rev/9a4ee6fe1c6d

Maxim Dounin