I'm using a Dell Precision 7910 Tower, which has dual cpu slots and 8 ram
slots per cpu. I'd found a refurb on ebay with dual v4 xeon's cpu's
already and minimal ram as a starting point. I'd added 8x 16gb samsung
sticks with it, finding refurbs on ebay at the time for around $56/per
stick. I can get 32gb sticks, but they're super expensive still used even
($300-400ea).
For windoze images, I tend to give it 8gb of ram, as I do some complex
visios that have gotten cranky with less. Other linux vm's are usually
pretty minimal, as they're pretty purpose-built, but spawning vendor
appliances from f5, palo alto, or fortinet tend to all want 4-8gb of ram as
a start. Throw in GNS3 routing instances for cisco things, and it goes
quick there too.
Libreoffice gets ram-hungry with some formula spreadsheets too, having seen
it using ~20gb at times as well with some of the more huge price lists or
interface config generating forms I use.
I'd love to know how folks get by on 4 or 8gb of ram these days...
-mb
On Wed, Sep 6, 2017 at 10:57 PM, Steve Litt <
slitt@troubleshooters.com>
wrote:
> On Wed, 6 Sep 2017 13:06:57 -0700
> Michael Butash <michael@butash.net> wrote:
>
> > I do run a lot of VM's, almost always at least a windoze vm for visio
> > and crappy conferencing software, sometimes playing with firewall or
> > other network appliances, sometimes linux monitoring system
> > appliances I've built, etc. That and I tend to run a lot of tabs, so
> > 16gb of ram usually just isn't enough from my last system. I just
> > moved to 128gb of ram in my desktop as 32gb I'd depelete quick too.
>
> Does your mobo have 8 ram slots, or have you found 32GB single
> ramsticks somewhere?
>
> How much RAM do you devote to each VM guest? How do you run all those
> guests without running out of host machine CPU?
>
> SteveT
>
> Steve Litt
> September 2017 featured book: Manager's Guide to Technical
> Troubleshooting Brand new, second edition
> http://www.troubleshooters.com/mgr
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