[StarCluster] Spot Instances

[Sergio Mafra]

Hi all,

I´m 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? (Isn´t this for on demand?)
Does AWS counts stopped, terminated instances on this limit?
It seems so since sometimes I´ve got a 15 cr1.8xlarge cluster running with
spot instances and can´t 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 you´ve got a status like "capacity-not-available", but this
> is not an error.. and
> StarCluster keeps on waiting forever...
> Don´t 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 it´s not allowed to
> change the bid price.
>
> All best,
>
> Sergio
>
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