From: Bandan Das <bsd@redhat.com>
To: "ROZUMNY\, VICTOR" <vr9723@att.com>
Cc: "kvm\@vger.kernel.org" <kvm@vger.kernel.org>, "WEINSTEIN\,
MICHAEL A" <mw8935@att.com>
Subject: Re: One off question: Hot vertical scaling of a KVM?
Date: Wed, 19 Aug 2015 14:48:08 -0700 [thread overview]
Message-ID: <jpgvbcbdk6f.fsf@linux.bootlegged.copy> (raw)
In-Reply-To: <029D7C716947D747B131EF6F51EA2F9217D4F4FD@GAALPA1MSGUSRAG.ITServices.sbc.com> (VICTOR ROZUMNY's message of "Wed, 19 Aug 2015 20:50:18 +0000")
"ROZUMNY, VICTOR" <vr9723@att.com> writes:
> Hello-
>
> Your site states that one off questions might could be answered via
> email so here I am.
>
> I have limited knowledge of KVM, but it is my understanding that in
> order to vertically scale RAM for a KVM the guest needs to be shut
> down, resized, and rebooted, resulting in a 5-10 minute interruption
> of service.
What's vertical scaling ? You mean, increase the amount of memory
the guest sees ? You could use Qemu memory hotplug I think but that
requires that the guest has been booted with enough number of
"dimm" slots.
Bandan
> Is this true and if so do you know of any efforts to change this
> behavior?
>
> Thank you!
>
> v.
>
> Vic Rozumny | Principal Technical Architect AIC - AT&T Integrated
> Cloud | Complex Engineering
>
>
>
>
>
> --
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next prev parent reply other threads:[~2015-08-19 21:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-19 20:50 One off question: Hot vertical scaling of a KVM? ROZUMNY, VICTOR
2015-08-19 21:48 ` Bandan Das [this message]
2015-08-20 11:24 ` ROZUMNY, VICTOR
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