Re: Mysterious 5 second delay on sybase_connect()

On Thu, May 24, 2012 at 10:51 AM, Tom Lloyd <TomLloyd@wallcolmonoy.co.uk> 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