On 2004.10.25, Steve <[EMAIL PROTECTED]> wrote:
> > How large is the nsd process memory footprint?  What modules are you
> > loading?  Did you upgrade anything at ALL lately?  What OS is this on?
> > Is it a single front-end host or a farm of them?  If it's a farm, is it
> > behind a load balancer, if so what make/model?
>
> OK its OACS 5.1 so apart from nsopenssl its loading tDom, nspostgres,
> nssha1 and nscache. We haven't changed anything in over a week. its
> Linux 2.4 series kernel on a single host.

Does OACS 5.1 support AOLserver 3.3 still?

There's been a series of bugs fixed in nsopenssl 3 and AOLserver 4 that
have not been backported to older nsopenssl 2.1a and AOLserver 3 -- you
could be getting bitten by one of those.  However, those were all
server-crashing bugs so if your nsd isn't crashing/restarting, then
perhaps <jedi>these are not the bugs you are looking for ... move
along</jedi>.

> >   Is your upstream bandwidth
> > provider having routing issues?  What kind of uplink exists on the host
> > (10mbit, 100mbit, half or full duplex, configured or auto-negotiate)?
> > What make/model switch is/are the hosts connected to?  Are the switches
> > configured or auto-negotiate?  Is there any other traffic on your
> > network segment or is it just these front-end webservers?
>
> Its co-lo. I've asked the host company to check the routing but so far
> they haven't turned up anything they'd admit too.

Check the output of "mii-tool" and see if it's actually negotiated a
gig-e connection and if it's full/half duplex, etc.  Check output of
ifconfig and see if you're seeing any packet loss/etc.  Basically, if
any of the error counters are non-zero, you have some investigation to
do ...

(Maybe someone stepped on your ethernet cable in the co-lo recently.)

-- Dossy

--
Dossy Shiobara                       mail: [EMAIL PROTECTED]
Panoptic Computer Network             web: http://www.panoptic.com/
  "He realized the fastest way to change is to laugh at your own
    folly -- then you can let go and quickly move on." (p. 70)


--
AOLserver - http://www.aolserver.com/

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