Oh, gmetrics. Any gmetric that has an RRD file is handled just the same as standard metrics. So yes, from/to works with them also.
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 > > > > > > > > > > > > > > > > > -------------------------------------------------------------- > > > > > ----------- > > > > > > Take Surveys. Earn Cash. Influence the Future of IT Join > > > > > > SourceForge.net's Techsay panel and you'll get the > > > chance to > > > > > > > > > > share your opinions on IT & business topics through > > > brief surveys > > > > - > > > > > > and earn cash > > > > > > > > > > > http://www.techsay.com/default.php?page=join.php&p=sourceforge > > > > &CID=DEVDEV > > > > > _______________________________________________ > > > > > Ganglia-developers mailing list > > > > > Ganglia-developers@lists.sourceforge.net > > > > > > https://lists.sourceforge.net/lists/listinfo/ganglia-developers > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------ > > > > Martin Knoblauch > > > > email: k n o b i AT knobisoft DOT de > > > > www: http://www.knobisoft.de > > > > > > > > > > > -------------------------------------------------------------- > > > ---------- > > > > - > > > > Take Surveys. Earn Cash. 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