openstack team mailing list archive

[JuanFra Rodriguez Cardoso <juanfra.rodriguez.cardoso@xxxxxxxxx>]

Hi Chris:

There are some nova config options aim to reserve resources for hosts:

reserved_host_memory_mb (default: 512 MB)
reserved_host_disk_mb (default: 0 MB)

Regards!
---
JuanFra


2013/5/21 Matthew Thode <prometheanfire@xxxxxxxxxx>

> On 05/21/13 12:24, Chris Bartels wrote:
> > Hi,
> >
> >
> >
> > If I rent a VPS with 32GB RAM on a server that only has 32GB RAM in
> total,
> > could OpenStack be choked for memory if the VPS tries to use up all that
> > RAM, or will OpenStack be weighted to take priority over the memory the
> > server has available?
> >
> >
> >
> > Should I only allocate 30GB to the VPS & leave OpenStack a 2GB minimum to
> > work with just to be safe?
> >
> >
> >
> > Thanks,
> >
> > Chris
> >
> >
> >
> >
> > _______________________________________________
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> You can likely use cgroups to give priority to memory used by openstack
> daemons.  Depends on how deep you want to get into it I guess (and your
> memory pressure).
>
> --
> -- Matthew Thode (prometheanfire)
>
>
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