Re: Mysterious 5 second delay on sybase_connect()

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On Thu, May 24, 2012 at 10:51 AM, Tom Lloyd <TomLloyd@xxxxxxxxxxxxxxxxxx> wrote:
> Hi there.  I'm working on a PHP-driven project on Debian Squeeze that
> connects to an instance of Microsoft SQL Server on Windows Server 2008.
> I'm using the sybase extensions to PHP.
>
> Since I rebooted the webserver on the weekend, both the sybase_connect()
> and sybase_pconnect() commands will sometimes take exactly 5 seconds to
> execute.  It seems to be random whether they do this or not.  I can't
> think of anything that could have been changed by the reboot, unless a
> package was updated but its associated process never got restarted...
>
> Does anyone know what might cause this behaviour?
>
> Cheers,
> Tom Lloyd
>

It most likely has nothing to do with PHP, but is rather a routing
issue. 5 seconds is the default connection time out for TCP/IP, so it
probably makes sense that the connection is failing at a lower level.

- Matijn

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