Date: Thu, 8 May 2014 18:20:14 +0200 From: Andreas Nilsson <andrnils@gmail.com> To: Miroslav Lachman <000.fbsd@quip.cz> Cc: "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org> Subject: Re: Disk IO throttling for VM guests? Message-ID: <CAPS9%2BSuN0GJXNpZyAXwUCtrVw0gMYCke19vg0dK2rSfZkq%2BBmQ@mail.gmail.com> In-Reply-To: <536BA96E.5090800@quip.cz> References: <536BA96E.5090800@quip.cz>
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On Thu, May 8, 2014 at 5:57 PM, Miroslav Lachman <000.fbsd@quip.cz> wrote: > Is there any possibilities to limit disk IO for virtualization guest on > FreeBSD? > I would like to know, if it is possible to limit IOps for jails, or Bhyve > guest, or VirtualBox quests. There are ways to limit CPU or RAM for them, > but CPU and RAM are really huge these days. On the other hand, HDDs are > still very IO limited and if one guest runs disk IO hungy task, then all > other guest are affected / slow. > > I read about plugable GEOM scheduler few years ago (GEOM_SCHED), but it > seems that it is dead project and there is no module for it to allow some > scheduling according to PID, JID or something like this. > > So do we have anything like this for Jails or Bhyve? > http://wiki.qemu.org/Features/DiskIOLimits > http://wiki.smartos.org/display/DOC/Tuning+the+IO+Throttle > > Miroslav Lachman > Well, there is rctl. I haven't tried it yet though. Best regards Andreas
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