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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BROOKLYN-212) Auto-scaling in finite BYON cluster keeps adding on-fire entities
Date Fri, 15 Jan 2016 14:55:39 GMT

    [ https://issues.apache.org/jira/browse/BROOKLYN-212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15101861#comment-15101861
] 

ASF GitHub Bot commented on BROOKLYN-212:
-----------------------------------------

Github user aledsage commented on the pull request:

    https://github.com/apache/incubator-brooklyn/pull/1136#issuecomment-171981501
  
    Merging now - @johnmccabe if you have any additional comments then ping me, and I'll incorporate
those in a subsequent PR.


> Auto-scaling in finite BYON cluster keeps adding on-fire entities
> -----------------------------------------------------------------
>
>                 Key: BROOKLYN-212
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-212
>             Project: Brooklyn
>          Issue Type: Bug
>            Reporter: Aled Sage
>
> When using a BYON location of a limited size (e.g. four vagrant VMs), if an auto-scaler
policy tries to resize above this number of VMs then it goes badly wrong!
> Auto-scaling causes a new entity to be added to the cluster, but it fails to start because
the {{location.obtain()}} call fails. That entity is left in quarantine, on-fire.
> The auto-scaler will then try again: another new entity is added, but this also fails.
This repeats, adding more and more entities.



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