client keepalive on high trafic site
Poul-Henning Kamp
phk at phk.freebsd.dk
Tue Sep 8 11:02:37 CEST 2009
In message <4AA61CBE.2090007 at 1art.cz>, =?UTF-8?B?VsOhY2xhdiBCw61sZWs=?= writes:
>We have a problem with varnish using keepalive for clients, when
>established connections goes above 8K varnish slows down which means the
>site stops reponding.
>
>Unfortunately we cant use
> set resp.http.Connection="close";
>because IE6 has problem with that ( after loading page source there is a
>lag(few seconds) before downloading page elements)
>
>is there any way how to disable keepalive just for certain clients (IE6);
>
>How hard would it be to implement global keepalive off in varnish?
You can tune the client keepalive interval with the parameter
sess_timeout. It defaults to 5 seconds.
Poul-Henning
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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