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https://issues.apache.org/jira/browse/HDDS-642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16692280#comment-16692280
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Ajay Kumar commented on HDDS-642:
---------------------------------

[~linyiqun] thanks for updating the patch.
Since all chill mode rules classes are independent classes now shall we 
directly make them listener for there own events. i.e PipelineChillModeRule can 
listen directly to PipelineReportFromDatanode events from datanode by 
implementing {{EventHandler<PipelineReportFromDatanode>}}. This will simplify 
the changes and avoid dependency injection via constructors.  


> Add chill mode exit condition for pipeline availability
> -------------------------------------------------------
>
>                 Key: HDDS-642
>                 URL: https://issues.apache.org/jira/browse/HDDS-642
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: SCM
>            Reporter: Arpit Agarwal
>            Assignee: Yiqun Lin
>            Priority: Major
>         Attachments: HDDS-642.001.patch, HDDS-642.002.patch, 
> HDDS-642.003.patch, HDDS-642.004.patch
>
>
> SCM should not exit chill-mode until at least 1 write pipeline is available. 
> Else smoke tests are unreliable.
> This is not an issue for real clusters.



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