From: Bernard L. <be...@va...> - 2007-04-24 15:32:55
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Hi Richard: Please give us a patch against SVN trunk: http://ganglia.svn.sourceforge.net/viewvc/ganglia/trunk/monitor-core/ I am not sure exactly which files you will touch, but we recently added new sort orders for meta view (this has not been released yet). I look forward to your patches. Thanks, Bernard On 4/24/07, Ric...@ba... <Ric...@ba...> wrote: > 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:be...@va...] > > Sent: 24 April 2007 00:37 > > To: Grevis, Richard: IT (LDN) > > Cc: kn...@kn...; cal...@gm...; > > gan...@li...; 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, Ric...@ba... > > <Ric...@ba...> 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: gan...@li... > > > > [mailto:gan...@li...] > > On Behalf > > > > Of Martin Knoblauch > > > > Sent: 19 January 2007 10:22 > > > > To: Grevis, Richard: IT (LDN); kn...@kn...; > > > > cal...@gm... > > > > Cc: gan...@li...; 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 > > > > --- Ric...@ba... 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: gan...@li... > > > > > > [mailto:gan...@li...] On > > > > > > Behalf Of Martin Knoblauch > > > > > > Sent: 16 January 2007 09:44 > > > > > > To: Caleb Epstein; Grevis, Richard: IT (LDN) > > > > > > Cc: gan...@li... > > > > > > 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 <cal...@gm...> wrote: > > > > > > > > > > > > > On 1/15/07, Ric...@ba... > > > > > > > <Ric...@ba...> 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. 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