Help with Keepalive on NGINX (2 replies)

Hi All,

I am struggling to get keepalives to work on Nginx, I believe I have
added the necessary configuration. Can you take a look and suggest where
I may be going wrong or what I am missing?

We have a nginx server that sits in front of a varnish server which sits
in front of the back-end servers

http {

keepalive_timeout 120;
keepalive_requests 500;

upstream varnish_rand {
server 172.21.1.1:80;
keepalive 256;
}

server {
server_name www.abc.com

location / {

proxy_pass http://varnish_rand;
proxy_http_version 1.1;

}
}

You can see that the nginx server is using HTTP1.1 to communicate with
Varnish

*varnishtop -i RxProtocol *
list length 1

9.67 RxProtocol HTTP/1.1

However there nginx always send a "connection close"

*varnishtop -c -i RxHeader -I "Connection"*

list length 1

9.59 RxHeader Connection: close


Thanks in advance

Nick


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