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https://issues.apache.org/jira/browse/AMBARI-22779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doroszlai, Attila updated AMBARI-22779:
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Labels: blueprint pull-request-available (was: pull-request-available)
> Cannot scale cluster if Ambari Server restarted since blueprint cluster
> creation
> --------------------------------------------------------------------------------
>
> Key: AMBARI-22779
> URL: https://issues.apache.org/jira/browse/AMBARI-22779
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.6.0
> Reporter: Doroszlai, Attila
> Assignee: Doroszlai, Attila
> Priority: Blocker
> Labels: blueprint, pull-request-available
> Fix For: 3.0.0, 2.6.2
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> STR:
> # Create cluster using blueprint
> # Restart Ambari Server
> # Install Ambari Agent on new host and register with server
> # Add the new host via API request
> # Start Ambari Agent on the new host
> Result: Ambari Server accepts the scale request, but does not proceed to
> install/start components on the new host
> The problem is that AMBARI-22012 fixed a timing/ordering issue by introducing
> an executor, which is started on "cluster configured" event during blueprint
> cluster creation. If Ambari Server is restarted afterwards, the executor will
> stay stopped, hence tasks for scale requests are never executed.
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