Re: problem with shared memory connections
Posted in 1998
Art S. Kagel wrote:
>
> Pete Smith wrote:
> >
> > hi all
> >
> > I'm having constant problems with shm connections in UDS 7.2x
> > The error returned is
> > -25588 - the appl process cannot connect to Online server server-name.
> > It looks like Informix will allow so many shm connections before
> > refusing a connection, but this seems to vary.
> > If I change INFORMIXSERVER to a soc connection then everything is fine,
> > but slower on a socket connection.
> >
> > Is there a config parameter or something that I should be looking for?
> >
> > any help or clues?
> >
> > I can supply the onconfig file if this will help
>
> The NETTYPE config file parameter specifies the number of concurrent
> connections per listener/poll thread and the number of listener threads
> for each connection type. Check the NETTYPE entry for ipcshm. The
> default number of connections (IMS) is 50 if the third parameter is not
> specified.
Also if you have a large number of users trying to connect at about the
same time you can get connections refused, you can normally spot this
via a onstat -nt? and look for q-exceed going ballistic.
Also in some of the early 7 release the defaults for NETTYPE where not
set correctly. I always set them explicitly
--
Paul Watson #
WF Software Ltd # It said run using Windows 95
Tel: +44 1436 674629 # or better in the manual
Fax: +44 1436 678693 # so I used Unix
www.wfsoftware.co.uk #