Steve Heistand <[email protected]> wrote on 22/08/2013 01:45:08 AM:
> From: Steve Heistand <[email protected]> > To: James R Penick <[email protected]>, > Cc: "[email protected]" <[email protected]> > Date: 22/08/2013 02:10 AM > Subject: Re: [Openstack] oversubscribe node > > that would probably have been useful info yes :) > > latest grizzly on ubuntu 12.04 and > > compute_scheduler_driver=nova.scheduler.simple.SimpleScheduler > scheduler_default_filters=AggregateInstanceExtraSpecsFilter,AvailabilityZoneFilter,RamFilter,ComputeFilter In order to use cpu_allocation_ratio, and ram_allocation_ratio, you need to use FilterScheduler with RamFilter and CoreFilter. Also, as already mentioned, you need these parameters need to be configured in nova.conf of the machine running the scheduler. Regards, Alex > > > On 08/21/2013 03:40 PM, James R Penick wrote: > > Which scheduler are you using? Also, which version of Openstack? > > > > :)= > > > > > > > > > > > > > > On 8/21/13 2:56 PM, "Steve Heistand" <[email protected]> wrote: > > > >> Hi folks, > >> > >> so Im a little confused, on my compute nodes I have the allocation ratio > >> set: > >> > >> root@node004:~# cat /etc/nova/nova-compute.conf > >> [DEFAULT] > >> .. > >> cpu_allocation_ratio=1.0 > >> ram_allocation_ratio=1.0 > >> ... > >> > >> but I got into a state where the node is oversubscribed. From nova > >> hypervisor-show node004: > >> > >> node004 > >> .. > >> vcpus_used 36 > >> memory_mb_used 72837 > >> memory_mb 64379 > >> vcpus 32 > >> .. > >> > >> I have zones/aggregates set up and of the instances, one was started in > >> just launch it anywhere mode and another was told to start on > >> a zone that is this node. > >> > >> In looking back I would have expected the zone specified instance be > >> rejected. > >> > >> is this to be expected or a bug? > >> > >> thanks > >> > >> s > >> > >> > >> -- > >> ************************************************************************ > >> Steve Heistand NASA Ames Research Center > >> SciCon Group Mail Stop 258-6 > >> [email protected] (650) 604-4369 Moffett Field, CA 94035-1000 > >> ************************************************************************ > >> "Any opinions expressed are those of our alien overlords, not my own." > >> > >> # For Remedy # > >> #Action: Resolve # > >> #Resolution: Resolved # > >> #Reason: No Further Action Required # > >> #Tier1: User Code # > >> #Tier2: Other # > >> #Tier3: Assistance # > >> #Notification: None # > >> > >> > > > > -- > ************************************************************************ > Steve Heistand NASA Ames Research Center > SciCon Group Mail Stop 258-6 > [email protected] (650) 604-4369 Moffett Field, CA 94035-1000 > ************************************************************************ > "Any opinions expressed are those of our alien overlords, not my own." > > # For Remedy # > #Action: Resolve # > #Resolution: Resolved # > #Reason: No Further Action Required # > #Tier1: User Code # > #Tier2: Other # > #Tier3: Assistance # > #Notification: None # > > > [attachment "signature.asc" deleted by Alex Glikson/Haifa/IBM] > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : [email protected] > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
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