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https://issues.apache.org/jira/browse/AURORA-1278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492939#comment-14492939
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Bill Farner commented on AURORA-1278:
-------------------------------------
Is negation of a value constraint what you're after?
https://github.com/apache/aurora/blob/master/docs/configuration-reference.md#specifying-scheduling-constraints
e.g.
{noformat}
constraints = {
'rack': '!knownBadRack', # Temporarily avoiding this bad rack.
'arch': '!arm', # App will not run on ARM CPUs.
}
{noformat}
> Allow inverted constraints
> --------------------------
>
> Key: AURORA-1278
> URL: https://issues.apache.org/jira/browse/AURORA-1278
> Project: Aurora
> Issue Type: Story
> Components: Scheduler
> Reporter: Silas Snider
>
> Currently, I can list a set of hosts upon which my job should schedule.
> However, there are some common-ish situations where I want to specify a list
> of hosts on which my job should never schedule. For instance, if I, as an
> application developer without administrative access to the aurora scheduler
> wish to avoid scheduling on a piece of hardware while I get the admins to
> drain it, or even if I know I trigger some specific kernel bug on a certain
> class of hardware.
> I can see scenarios for racks as well (issues with the TOR), so it would make
> sense there as well.
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