On Fri, Nov 09, 2012 at 09:30:14AM -0500, David Cantrell wrote: > On Fri, Nov 09, 2012 at 11:21:07AM +0100, Matej Cepl wrote: > > On 2012-11-09, 07:43 GMT, Adam Williamson wrote: > > > It hasn't really 'skyrocketed'. We cited 512MB for several releases, > > > bumped it to 768MB for F15/F16 (IIRC), got it back down to 512MB for > > > F17, and it's back up to 768MB or 1GB for F18 atm because everyone has > > > more important stuff to do than optimize the RAM usage right now. But > > > it's not been rising crazily or anything. I think the last time someone > > > took a deep look at RAM use during install - during F17 cycle when we > > > got it back down to 512MB - it turned out a lot of the usage happened > > > during package install and wasn't really to do with anaconda at all. > > > > I understand and accept that now everybody in the anaconda-land is busy > > with something else, but let it not slip our attention how absolutely > > crazy it is when the installation program requires twice as much (or > > more) of the resources than all programs running on the computer > > combined. I have here a server with RHEL-6 which I had to upgrade to > > 512MB just to be able to install a system on it. Now it has plenty of > > free RAM even with some bulky PHP apps (e.g., Zarafa) which is wasted. > > With the spread of virtual machines, it seems to be even more obvious. > > Wasn’t one of the advantages of VMs the fact that you can slice more > > small machines on one computer? > > Yes, that is an advantage, but that shouldn't be slicing up one computer in > to multiple very underpowered smaller computers. > > Just to cite similar complaints I see from time to time... It irritates me > that people think it's a problem that in 2012 they can't install in a VM > that is allocated with 256M of RAM. Allocate a reasonable amount, start > over. Your host system for multiple VMs in 2012 should not have 1G of > memory. You're very wrong here. Memory is *the* key limiting resource for VMs, particularly when people want to pack as many VMs into a system as possible. If the minimum required for an OS goes from 256 -> 512MB, then the number of VMs that can be run per host (more than) halves. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
