Jay Buffington created AURORA-1075:
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Summary: 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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