Sean
On Sat, Apr 28, 2001 at 01:55:01PM -0700, Tim Moore wrote:
> David Lang wrote:
> >
> > watch the resonate heartbeat and see if it is getting lost in the network
> > traffic (the resonate logs will show missing heartbeat packets). think
> > seriously of setting the resonate stuff to run at a higher priority so
> > that it doesn't get behind.
> >
> > depending on how high your network traffic is seriously look at putting in
> > a second nic and switch to move the NFS traffic off the network that has
> > the internet traffic and hearbeat.
> >
> > I had the same problem with central dispatch a couple years ago when first
> > implementing it. the exact details of the problem that I ran into should
> > have been fixed by now (mostly having to do with large number of virtual
> > IP addresses) but the symptoms were the same.
>
> In addition to the above make sure there's enough bandwidth to the filer
> (eg- good switches, multiple ethernets).
>
> Consider moving to 2.2.19. Significant VM changes after 2.2.19pre3 which
> could account for the freezes.
>
> rgds,
> tim.
>
> > > I have a high volume web site under linux :
> > > kernel is 2.2.17
> > > hardware is 5 bi-PIII 700Mhz / 512Mb, eepro100
> > > all server are diskless (nfs on an netapp filer) except for tmp and swap
> > >
> > > dispatch is done by the Resonate product
> > >
> > > web server is apache+php (something like 400 processes), database
> > > backend is a mysql on the same hardware
> > >
> > > in high volume from time to time machines are "freezing" then after a
> > > few seconds they "reappear" and response timne is
> > >
> > >
> > > how can I investigate all these problems ?
>
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