nova-orchestration team mailing list archive

[Sandy Walsh <sandy.walsh@xxxxxxxxxxxxx>]

Each provisioning operation is generally sequential (and perhaps even preferred to be for debugging). The only real parallel activity is, as you mentioned, creating many instances or mass migration/resize/backup/etc.

-S

________________________________________
From: nova-orchestration-bounces+sandy.walsh=rackspace.com@xxxxxxxxxxxxxxxxxxx [nova-orchestration-bounces+sandy.walsh=rackspace.com@xxxxxxxxxxxxxxxxxxx] on behalf of Yun Mao [yunmao@xxxxxxxxx]
Sent: Wednesday, November 23, 2011 10:32 AM
To: nova-orchestration@xxxxxxxxxxxxxxxxxxx
Subject: [Nova-orchestration] task parallelism in nova

What's the use cases to run tasks in parallel? One that's quite
obvious is to create many instances. The task to create a single
instance seems quite sequential to me. Do we have other use cases? Is
there a more complicated one, such as requiring parallel tasks to
communicate? Thanks,

Yun

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