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Hi,
In theory the requests are treated in parallel. It depends on the deployment. Nova API should handle all of the requests at the same time. Each request will be placed a message queue and that request scheduled.
Thanks
Gary

From: Dhvanan Shah <dhvanan at gmail.com<mailto:dhvanan at gmail.com>>
Date: Wednesday, July 15, 2015 at 9:27 AM
To: "Uszov, Márk" <mark at roico.net<mailto:mark at roico.net>>
Cc: "openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>" <openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>>
Subject: Re: [Openstack] Help regarding making multiple concurrent compute requests.

Hi Mark,

Sorry, I should have framed my question better.
What I'm trying to look for here is a way in which I can make requests for multiple instances at a given instant of time. basically what I'm trying to find here is if the nova-api gets multiple requests with the same time how does it handle them all, are they handled synchronously, that is only after one request is completed the next is sent for scheduling or it can be done asynchronously that is before a request is scheduled to a host an other request can come in start out its processing.
And is there a way to mimic a situation of multiple requests for vm's with different configurations being requested at the same time, that is with the same time stamp, so that the scheduler does not bias on the basis of time as to which one to schedule first.

Regards,
Dhvanan

On Tue, Jul 14, 2015 at 5:21 PM, Uszov, Márk <mark at roico.net<mailto:mark at roico.net>> wrote:

Hi Dhvanan,

Maybe that is just my mistake, but I can not understand what you need. :-)
What do you mean on multiple concurrent compute connection?

Regards,
Mark

2015. júl. 14. 8:48 ezt írta ("Dhvanan Shah" <dhvanan at gmail.com<mailto:dhvanan at gmail.com>>):
Hi,
I am Dhvanan and I and am new to OpenStack, I wanted to know if there is a way to make multiple concurrent compute requests through the nova-api. It would be great if someone would help me out with this!

Cheers,
Dhvanan

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