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. 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=DEVDE > V > _______________________________________________ > Ganglia-developers mailing list > Ganglia-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ganglia-developers > ------------------------------------------------------------------------ > For more information about Barclays Capital, please visit our web site > at http://www.barcap.com. > > Internet communications are not secure and therefore the Barclays > Group does not accept legal responsibility for the contents of this > message. Although the Barclays Group operates anti-virus programmes, > it does not accept responsibility for any damage whatsoever that is > caused by viruses being passed. Any views or opinions presented are > solely those of the author and do not necessarily represent those of > the Barclays Group. Replies to this email may be monitored by the > Barclays Group for operational or business reasons. > ------------------------------------------------------------------------ > > ------------------------------------------------------ Martin Knoblauch email: k n o b i AT knobisoft DOT de www: http://www.knobisoft.de ------------------------------------------------------------------------ - 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=DEVDE V _______________________________________________ Ganglia-developers mailing list Ganglia-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-developers
