Hi, 
I was talking about http connection keepalive - thus use the same 
connection for subsequent HTTP requests. 
This should be an option in your driver, and a question about how you use 
your connectionobject; You have to look this up in the documentation of 
your driver. 
However, errors happen, so to be sure you should also have a look at 
netstat and CLOSE_WAIT connections.

Cheers, 
Willi

On Friday, April 7, 2017 at 1:58:30 PM UTC+2, Georgios Kafataridis wrote:
>
> Thank you.
>
> OK, isn't the keepalive settings (net.ipv4.tcp_keepalive_time = 7200, 
>  net.ipv4.tcp_keepalive_intvl = 75,  net.ipv4.tcp_keepalive_probes = 9) 
> enabled by default ?
>
> Should I increase the keepalive time, and reduce to intvl and probes 
> numbers to prevent refused connections in the future ?
>
> References: 
> http://tldp.org/HOWTO/TCP-Keepalive-HOWTO/usingkeepalive.html
> http://www.ehowstuff.com/configure-linux-tcp-keepalive-setting/
>

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