openstack team mailing list archive

[Jay Pipes <jaypipes@xxxxxxxxx>]

On 08/04/2012 07:48 AM, Heng Xu wrote:
> But I tried a few things in HostState class, I ran into error, because I could not monitor the stats in hoststates class as opposed to a database, is there a way to check the stats in HostState class as exists in memory?

cc'ing Sandy Walsh, who is vastly more familiar with the scheduler than
I am :) Sandy, see Heng's question above... seems like a great question
to me -- and also a possible mini-project for someone to work on that
would add a scheduler-diagnostics extension if such functionality isn't
readily available.

Best,
-jay

> Heng
> ________________________________________
> From: Jay Pipes [jaypipes@xxxxxxxxx]
> Sent: Friday, August 03, 2012 4:38 PM
> To: Heng Xu
> Cc: openstack@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Openstack] Cannot pass hint to Nova Scheduler
> 
> On 08/03/2012 09:28 AM, Heng Xu wrote:
>> Another questions is, I can get all the status of a computing node in the mysql nova database, and select * from compute_node, but now I am using json filter, the only field I have success with now is the free_ram_db, if my hint uses free_disk_gb, then I always get error, but the database is showing my compute node has $free_disk_gb equal 17, so I was wondering, where to find exactly what kind of json field can use in json filter, thanks in advance
> 
> The nova.scheduler.host_manager.HostState class is what is checked for
> attributes, not the ComputeNode model. So, you need to use
> "$free_disk_mb", not "free_disk_gb".
> 
> Best,
> -jay
> 
>