strange nginx hang after ~18600 requests

gadh nginx-forum at
Tue Dec 18 15:54:33 UTC 2012

thanks for the fast reply, Maxim
the code is complicated and i cannot send it all.
more info: when i set the proxy_connect_timeout from default 60s to 2s (the
upstream server is close enough) , i could see that in the hang state, all
workers were waiting for an answer from the upstream server (thru the proxy)
and after that the nginx hanged (so lack of resources also occurs after the

any suggestions ? 

Posted at Nginx Forum:,234161,234166#msg-234166

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