RE: {bb} bb frequency

["Darren Murphy" <darren@maginet.net>]

Steve,

If you do run into issues with the network tests overlapping, you can always
increase the value of BBNETTHREADS
I believe the default is just 1, but if you increase this then you will have
multiple tests running concurrently, which will reduce the overall run time.

I was running into problems with tests turning purple, and I discovered it
was because sometimes the BBNET tests were not finishing within 5 minutes.
So I increased this to value to 20, and everything has been fine since.

Hope this helps,
Darren

> -----Original Message-----
> From: owner-bb@bb4.com [mailto:owner-bb@bb4.com] On Behalf Of 
> Steve.Sayler@noaa.gov
> Sent: Wednesday, 23 August 2006 7:54 PM
> To: bb@bb4.com
> Subject: Re: {bb} bb frequency
> 
> 
> Thanks for your concern, The default bb time cycle, testing 
> once every 5 minutes, falls outside the range for my 
> organization's status monitoring requirements, which 
> recommends a 1 minute testing interval.
> 
> The re-creation of web page output is not an issue, like 
> testing is, since an email notificaton would occur upon 
> failure indication. But if the 1-minute testing testing 
> overhead is detrimental to bb's performance, perhaps we can 
> re-think the requirements.
> 
> thanks,
> steve
> 
> ----- Original Message -----
> From: Philip Clark <bblist@cannae.uklinux.net>
> Date: Tuesday, August 22, 2006 2:55 pm
> Subject: Re: {bb} bb frequency
> 
> > On Mon, 2006-08-21 at 23:32, steve sayler wrote:
> > 
> > > I'm trying to determine how to change the frequency of 
> tests from 5 
> > > minutes  to 1 minute.
> > >
> > > I've searched the archives to find an answer and the 
> closest I can 
> > > come is http://support.bb4.com/archive/200101/msg01484.html
> > >
> > >  "What I think some may be looking for are the BBSLEEP values in
> > >   runbb.sh. These control how often to perform the local tests
> > >   (bb-local.sh), the network tests (bb-network.sh) and generate
> > >   the web pages (bb-display.sh). You can also set the default
> > >   interval for external tests there, too."
> > >
> > >
> > > I've changed 300 to 60 in both:
> > >   BBSLEEP values in runbb.sh
> > >   BBDEFSLEEP in $BBHOME/etc/bbdef.sh
> > >
> > > but I can't find any variables in bb-local.sh, bb-network.sh, or 
> > > bb-display.sh to tweak, is there something I'm missing?
> > 
> > Nope.
> > 
> > > Or does runbb.sh control everything?
> > 
> > Yep. But, do you really want to monitor everything and recreate the 
> > web pages once a minute? There can be unintended 
> consequences to this. 
> > To quote Sean, this can:
> > 
> >  * Increase the load on the BBNET/BBDISPLAY machines by a factor
> > of 5
> >  * Could page you *every minute* for a problem
> >  * Could be too short for the BBNET process to complete all the
> >    tests on your network (especially if you're testing 100 devices,
> >    if only 3 were down, you'd start getting "bbrun longer than 
> > bbsleep"    messages (3 down @ 20 second delay each = 60 seconds).
> > 
> > Often, it is possible to achieve the kind of responsiveness 
> that you 
> > need without resorting to this. If you let the list know why the 
> > defaultcycle time is not suitable for you, someone might be able to 
> > providean alternative solution.
> > 
> > Cheers, Phil.
> > 
> > 
> > 
> > --
> > Speer's 1st Law of Proofreading: The visibility of an error is
> > inversely proportional to the number of times you have looked
> > at it.
> > 
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