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Re: Bug? Closing upstream fastcgi requests on 0.8.15/0.7.62

September 15, 2009 08:46AM
On Tue, Sep 15, 2009 at 09:44:41PM +1000, Jeff Waugh wrote:

> <quote who="Jeff Waugh">
>
> > I'm seeing a massive spike of nginx connections in read state, which appears
> > to be related to fastcgi upstream connections [1]. Usually I'll have 0.6 avg
> > and ~25 max connections in read state, but with 0.8.15/0.7.62 I've seen 34.0
> > avg and 52.4 max... and it looks like my fastcgi upstream doesn't like that
> > very much. ;-)
>
> Ouch, looks like I spoke too soon -- it's happening again without fastcgi in
> active use. Here's what the connections in read state chart looks like:
>
> http://www.gnome.org/~jdub/2009/nginx-0.7.62-connread.png
>
> There *could* be a slight lagging correlation with the active connections
> chart, showing spikes of connections left in the read state about a minute
> after similar spikes in active connections... but it's definitely not a
> one-to-one relationship, even excluding the static files being served.

Many reading states may indicate some network issues.


--
Igor Sysoev
http://sysoev.ru/en/
Subject Author Posted

Bug? Closing upstream fastcgi requests on 0.8.15/0.7.62

Jeff Waugh September 15, 2009 08:46AM

Re: Bug? Closing upstream fastcgi requests on 0.8.15/0.7.62

Igor Sysoev September 15, 2009 08:46AM

Re: Bug? Closing upstream fastcgi requests on 0.8.15/0.7.62

Jeff Waugh September 15, 2009 08:46AM

Re: Bug? Closing upstream fastcgi requests on 0.8.15/0.7.62

Igor Sysoev September 15, 2009 08:46AM



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