[jira] [Commented] (CLOUDSTACK-2843) Support parallel VM deployment with CloudStack

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-2843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13706524#comment-13706524 ] 

ASF subversion and git services commented on CLOUDSTACK-2843:
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Commit 52d3e1190f09bcfe43b7c25794c301617637a6de in branch refs/heads/4.2 from [~alena1108]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=52d3e11 ]

CLOUDSTACK-2843: added CopyCommand to the list of the commands controlled by execute.in.sequence.hypervisor.commands global config. This command was introduced by the Storage refactoring, and used for volume creation on the primary storage

                
> Support parallel VM deployment with CloudStack
> ----------------------------------------------
>
>                 Key: CLOUDSTACK-2843
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2843
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0
>            Reporter: Alena Prokharchyk
>            Assignee: Alena Prokharchyk
>             Fix For: 4.2.0
>
>
> When a user deploys multiple instances concurrently, the deployment of these VMs are in fact queued up, so although CloudStack reports that all deployments have started to be created, it would appear in reality that until the 1st instance is deployed, the second, third, etc are queued and waiting to be executed. 
> CS should be able to support parallel VM deployment assuming the cluster resources can handle it.
> As a part of it, we have to:
> 1) Set executeInSequence=false for Start/Stop commands (also might make it false for PrimaryStorageDownload command as well)
> 2) Identify possible implication of turning off the synchronization for those commands, and fix the problematic places in the code.

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