StarCluster - Mailing List Archive

Re: Spot Instances

From: Michael McClellan <no email>
Date: Tue, 6 Aug 2013 12:58:51 -0600

Sergio,

Hi. It takes some time for terminated instances to be removed from the
quota. In my experience, maybe two hours.

When I requested a quota increase, it was approved same day.

Thanks, Mike
.


On Tue, Aug 6, 2013 at 11:18 AM, Sergio Mafra <sergiohmafra_at_gmail.com>wrote:

> Hi all,
>
> Im working with big clusters that goes from 15 to 20 nodes, using cc2 and
> cr1 instances types.
> I understand that when you use spot instances, you can deploy until 100
> instances from any instance type.
> Sometimes, StarCluster complaints and give some error messages saying that
> I have reached my limit of 20? (Isnt this for on demand?)
> Does AWS counts stopped, terminated instances on this limit?
> It seems so since sometimes Ive got a 15 cr1.8xlarge cluster running with
> spot instances and cant deploy a second one with same type.
> If I change it to cc2.8xlarge, it works,
>
> All best,
>
> Sergio
>
>
> On Wed, Jul 24, 2013 at 3:46 PM, Sergio Mafra <sergiohmafra_at_gmail.com>wrote:
>
>> Hi all,
>>
>> When you ask for spot instances from starcluster, it hangs on a loop
>> waiting them to be available.
>> If you watch the process thru console, you can see that the spot request
>> starts with status like
>> "pending-evaluation" and then "pending-fulfillment" until Amazon
>> release them for use.
>> But sometimes youve got a status like "capacity-not-available", but
>> this is not an error.. and
>> StarCluster keeps on waiting forever...
>> Dont you think that this situation should have a specail behavior, with
>> signs that something is not
>> good in your launch?
>> In this case, I had to terminate the cluster since its not allowed to
>> change the bid price.
>>
>> All best,
>>
>> Sergio
>>
>
>
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> StarCluster_at_mit.edu
> http://mailman.mit.edu/mailman/listinfo/starcluster
>
>


-- 
Michael McClellan
mcclellan.m_at_gmail.com
Received on Tue Aug 06 2013 - 14:58:54 EDT
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