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"J. Roeleveld" <joost@××××××××.org> writes: |
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> On November 20, 2016 6:21:40 AM GMT+01:00, Alan McKinnon <alan.mckinnon@×××××.com> wrote: |
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>>On 20/11/2016 02:59, Harry Putnam wrote: |
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>>> An emerge of webkitgtk-2.14.2 has been running for over 2hrs. I |
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>>> wonder if I am starving my vbox vm of gentoo with 3GB or ram. |
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>>> |
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>>> Top's cpu usage is fluxuating between 45% and 99% during this compile |
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>>> |
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>>> Portage pulling 99% by itself at times. |
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>>> |
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>>> I thought 3GB was a bit high for a vm compared to what I've given |
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>>debian |
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>>> vms... can anyone give some guidance about how much ram to allow a |
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>>> gentoo vm in Vbox? |
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>>> |
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>>> I'm on a windows 10 host with 32 GB ram but running a number of vms. |
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>>> |
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>>> |
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>> |
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>>Depends on what you are compiling. webkitgtk is a brute, so is |
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>>thunderbird, libreoffice and other usual culprits. Those sorts of build |
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>>systems need as much ram as you can spare whereas the rest of the time |
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>>vm itself needs as much as it needs to do whatever it is you want it to |
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>>do. |
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>> |
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>>What hypervisor are you using, and can you use memory ballooning? |
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> |
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> MS Windows desktop OSes are not the best platforms to run multiple VMs on. |
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I'm just experimenting with several OS's ... The Vbox vms I run for |
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actual work are hosted on Solaris x86 (openindiana) |
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> Also, overcommitting CPUs has a bad influence on performance, |
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> especially if the host wants to use all cores as well. |
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That is what I asked advice about. What do you call |
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`overcommitting'. For example with only 1 Vbox vm started and no |
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serious work being done by the windwos-10 os. On an HP xw8600 with |
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older 2x Xeon 5.60 3.00Ghz with 32 GB ram |
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