Open Stack

On 11/11/2015 11:01 AM, Murray, Paul (HP Cloud) wrote:
>> Unfortunately, you're trying to work around misuse of the cloud API's, not
>> missing features from them. Don't use those volume types, and don't build
>> systems that rely on single ports and interfaces. IMO rebuild is a misguided
>> concept (something that took me a long time to realize).
>
> Slightly tangential to this discussion but specifically to your comment about
> rebuild: HP (and I believe RAX) kept asking OpenStack infra to use rebuild in
> node pool instead of constantly deleting and creating instances.
> The reason being it would give them a significant performance advantage
> and dramatically improve the use of resources in the operators cloud. Node
> pool would have gained a vastly better resource utilization.

I didn't think that the overhead of deleting/creating an instance was *that* 
much different than rebuilding an instance.

Do you have any information about where the "significant performance advantage" 
was coming from?

Chris