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https://issues.apache.org/jira/browse/AURORA-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anindya Sinha updated AURORA-1075:
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Assignee: (was: Anindya Sinha)
> schedule instance on every host matching constraints
> ----------------------------------------------------
>
> Key: AURORA-1075
> URL: https://issues.apache.org/jira/browse/AURORA-1075
> Project: Aurora
> Issue Type: Story
> Components: Scheduler
> Reporter: Jay Buffington
>
> I'd like aurora to schedule an instance of a given job on every host it has
> seen an offer for. So if I were to create this job:
> {noformat}
> import os
> jobs = [Job(
> task=SimpleTask(name="hello_world", command="echo hello world"),
> role=os.getenv('USER'),
> cluster="cluster1",
> instances="*"
> )]
> {noformat}
> It would result in hello world running on every host in the cluster where
> there is room.
> If I were to set constraints (e.g. dedicated role), only hosts matching
> constraints would have the instances started on it.
> If the Job is a production job, instances of other jobs would be preempted if
> necessary to make room for this instance on every host aurora knows about.
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