----- Original Message ----- > From: "Sven Kieske" <[email protected]> > To: "Doron Fediuck" <[email protected]>, "Nicolas Ecarnot" > <[email protected]> > Cc: [email protected] > Sent: Monday, June 23, 2014 9:21:05 AM > Subject: Re: [ovirt-users] What prevents from using a very very low-end > hardware for manager? > > > > Am 22.06.2014 10:06, schrieb Doron Fediuck: > > > > > > > > Nicolas (and other on this thread), > > I'd like to clarify one thing, as indeed this sometimes comes up as a > > question- > > Where did oVirt prerequisites come from? > > > > Since the engine may be installed with DWH & reporting, we need to consider > > all components' needs including the DB; > > > > The application server is configured to use 1 GiB of heap by default, > > plus around 500 threads, which should result around 2 GiB of RSS in > > the worst case. To that you have to add the RSS taken by the database, > > the operating system, etc. > > well, yeah, "worst case" but the 4 GB you mention, aren't specified as > worst case, but as a minimum. how can a worst case scenario be the > minimum? >
See below; 4 GiB is the minimum to allow DWH & reporting, and 8 GiB is the recommended amount of RAM. > On CentOS you're not able imho until some release to even install > DWH without third party repos. > This is being worked on for 3.5.0. Either way you will get warnings in the installation now but it will not be blocked. > Anyway thanks for the interesting insight where all those numbers come > from! > > > Adding Jasper requirements as well: > > > > Resource Footprint Minimum Recommended > > Disk ~1.3 GiB 10GB free 40GB + > > RAM 4GB 8GB + > > Processor 2 core minimum 2.5GHz + multi-core Pentium > > > > So the end results[1] is around the above numbers to make sure we allow > > this installation to work. It is possible to get along with less, if > > you will not install some of the components, but this is what we should > > expect from a standard installation. > > > > Doron > > > > [1] http://www.ovirt.org/Quick_Start_Guide#Prerequisites > > > > > > > > -- > Mit freundlichen Grüßen / Regards > > Sven Kieske > > Systemadministrator > Mittwald CM Service GmbH & Co. KG > Königsberger Straße 6 > 32339 Espelkamp > T: +49-5772-293-100 > F: +49-5772-293-333 > https://www.mittwald.de > Geschäftsführer: Robert Meyer > St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen > Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
