Bernard,

yes I know, I talk the big talk and then don't deliver. I'll apply it
to your current release php then send your way. But it will be the
end of the week though.

Richard Grevis
Production Architecture
Barclays Capital, Canary Wharf, London, E14 4BB

 

> -----Original Message-----
> From: Bernard Li [mailto:[EMAIL PROTECTED] 
> Sent: 24 April 2007 00:37
> To: Grevis, Richard: IT (LDN)
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; 
> ganglia-developers@lists.sourceforge.net; Toy, Matthew: IT (LDN)
> Subject: Re: [Ganglia-developers] Query "From->To"
> 
> Hi Richard:
> 
> Did you ever got time to work on this patch?  I would be very 
> interested in trying it out.
> 
> If you plan to create a patch, please do it against trunk -- 
> if it works out okay I can check it in for you.
> 
> BTW, does your patch work with user defined gmetrics?
> 
> Thanks,
> 
> Bernard
> 
> On 1/19/07, [EMAIL PROTECTED]
> <[EMAIL PROTECTED]> wrote:
> > Oh well, what can I say?
> > "My grid is bigger than your grid" does come to mind though.
> >
> > kind regards,
> >
> > Richard
> >
> > also will try to make the From/To patch in the next week.
> > Unfortunately I have to do other work too.
> >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED] 
> On Behalf 
> > > Of Martin Knoblauch
> > > Sent: 19 January 2007 10:22
> > > To: Grevis, Richard: IT (LDN); [EMAIL PROTECTED]; 
> > > [EMAIL PROTECTED]
> > > Cc: ganglia-developers@lists.sourceforge.net; Toy, 
> Matthew: IT (LDN)
> > > Subject: Re: [Ganglia-developers] Query "From->To"
> > >
> > >
> > > Hi Richard,
> > >
> > >  seems bankers still have money to burn :-) But your grid 
> > > description definitely sounds impressive.
> > >
> > >  What kind of "HPC" do you perform on Windows?
> > >
> > >
> > > Cheers
> > > Martin
> > > --- [EMAIL PROTECTED] wrote:
> > >
> > > > Re: fined grained data -
> > > >
> > > > At our site we mostly set 5 or 10 second polls in 
> gmetad, and the 
> > > > same in the gmond confs. This was requested by our
> > > users. And
> > > > yes, we have adjusted our RRD configuration in gmetad.conf
> > > to allow a
> > > > few weeks of 5 second data.
> > > >
> > > > Each of our ganglia severs handle up to 3000 hosts, although I 
> > > > once earlier had about 5,000 hosts on one servers. The monitored
> > > hosts are
> > > > almost all windows servers doing HPC.
> > > >
> > > > The ONLY way that this is even remotely possible is by
> > > > 1) reducing the number of collected metrics to a bare
> > > >    essential minimum for HPC (cpu, network, and I/O).
> > > >    The cygwin agent is unable to give much more anyway.
> > > > 2) The RRD storage on servers of up to 100 gigabytes, is
> > > >    located on fast SAN storage. The sustained I/O has been up to
> > > >    20 gigabytes a second sometimes. And as we all know,
> > > >    RRD stands for "Rapid Ruination of Disks".
> > > >
> > > > Why did users want such fine grained data? Well some 
> groups wanted 
> > > > fine grained data to do "after the fact" forensics, some wanted 
> > > > immediacy to the graphs, some wanted to make sure that load
> > > spikes did
> > > > not disappear, and others didn't know what they wanted. But now 
> > > > our user base is experienced with ganglia, some are 
> reducing their 
> > > > poll rate (Some users want capacity trending only, say).
> > > >
> > > > Richard Grevis
> > > > Production Architecture
> > > > Barclays Capital, Canary Wharf, London, E14 4BB *DDI : 
> +44 (0) 20 
> > > > 7773 4915
> > > >  * richard.grevis
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: [EMAIL PROTECTED]
> > > > > [mailto:[EMAIL PROTECTED] On 
> > > > > Behalf Of Martin Knoblauch
> > > > > Sent: 16 January 2007 09:44
> > > > > To: Caleb Epstein; Grevis, Richard: IT (LDN)
> > > > > Cc: ganglia-developers@lists.sourceforge.net
> > > > > Subject: Re: [Ganglia-developers] Query "From->To"
> > > > >
> > > > >
> > > > > Richard,
> > > > >
> > > > >  I second the desire to have such a feature. But: 
> where do you 
> > > > > get the fine grained data for "past periods" from? 
> You need to 
> > > > > add datapoints to the RRDs. How big are your 
> databases compared 
> > > > > to the default ones?
> > > > >
> > > > >  But yes - useful feature.
> > > > >
> > > > > Cheers
> > > > > Martin
> > > > > --- Caleb Epstein <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > > On 1/15/07, [EMAIL PROTECTED]
> > > > > > <[EMAIL PROTECTED]> wrote:
> > > > > > > The changes have been useful to us internally here,
> > > but our HPC
> > > > > > environment
> > > > > > > is not really like most of the HPC clusters in 
> academia and
> > > > > > elsewhere,
> > > > > > > which means I am unsure of the likely level of
> > > interest. Also a
> > > > > > change
> > > > > > > like the from/to mod may be too much of a change 
> for people.
> > > > > >
> > > > > > I've always wished for a feature like this, personally.  I 
> > > > > > think
> > > > it
> > > > > > would be a useful addition.
> > > > > >
> > > > > > --
> > > > > > Caleb Epstein
> > > > > >
> > > > > >
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> ----------------------------------------------------------------------
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> > > site
> >
> > > at http://www.barcap.com.
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> > > Internet communications are not secure and therefore the Barclays 
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> > >
> >
> >
> > ------------------------------------------------------
> > Martin Knoblauch
> > email: k n o b i AT knobisoft DOT de
> > www:   http://www.knobisoft.de
> >
> > 
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