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Posted to issues@cloudstack.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2014/05/22 01:16:39 UTC
[jira] [Commented] (CLOUDSTACK-5485) Vmware - Whe 10 hourly
snapshots are scheduled at the same time , we see only 5 of them being
processed actively at the same time.
[ https://issues.apache.org/jira/browse/CLOUDSTACK-5485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14005367#comment-14005367 ]
ASF subversion and git services commented on CLOUDSTACK-5485:
-------------------------------------------------------------
Commit e3bb8b98bd9055115004da2ec67b29271a3974c5 in cloudstack's branch refs/heads/4.4-forward from [~kelveny]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=e3bb8b9 ]
CLOUDSTACK-5485: Use edge-triggering in MessageDetector to handle bogus wakeup gracefully. Level triggering plus bogus wakeup can cause a tight loop to spin
> Vmware - Whe 10 hourly snapshots are scheduled at the same time , we see only 5 of them being processed actively at the same time.
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-5485
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5485
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the default.)
> Components: Management Server
> Affects Versions: 4.3.0
> Environment: Build from 4.3
> Reporter: Sangeetha Hariharan
> Assignee: Kelven Yang
> Priority: Critical
> Fix For: 4.4.0
>
> Attachments: vmware.rar
>
>
> Vmware - When 10 hourly snapshots are scheduled at the same time , we see only 5 of them being processed actively at the same time.
> Set up :
> Advanced Zone with 2 5.1 ESXI hosts.
> Steps to reproduce the problem:
> 1. Deploy 5 Vms in each of the hosts , so we start with 10 Vms.
> 2. Start concurrent snapshots for ROOT volumes of all the Vms.
> Noticed that on the Vsphere client , only 5 of these snapshots gets executed in parallel.Rest of them get picked up when the current snapshot jobs complete.
> Why cant we do more than 5 parallel tasks ?
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