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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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MS Windows desktop OSes are not the best platforms to run multiple VMs on. |
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Also, overcommitting CPUs has a bad influence on performance, especially if the host wants to use all cores as well. |
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I run VMs regularly and am not surprised at this. |
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I always use Linux as the host as the scheduler there works better for this kind of usage. |
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-- |
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Joost |
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-- |
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Sent from my Android device with K-9 Mail. Please excuse my brevity. |