Hi John,
As you can see here:
https://github.com/apache/mesos/blob/master/docs/oversubscription.md#launching-tasks-using-revocable-resources
… “revocable” is only an additional attribute in Mesos Resource. So you can
specify the roles independently of revocable on/off.
For example you could specify some revocable resources in Fixed Resource
Estimator for role “example”:
--resource_estimator="org_apache_mesos_FixedResourceEstimator"
--modules='{
"libraries": {
"file": "/usr/local/lib64/libfixed_resource_estimator.so",
"modules": {
"name": "org_apache_mesos_FixedResourceEstimator",
"parameters": {
"key": "resources",
"value": "cpus(example):14"
}
}
}
}'
As a result frameworks with this role can access these.
Feel free to ask if anything else need to be explained.
Kind Regards,
Bartek Plotka (bplotka)
From: John Omernik [mailto:[email protected]]
Sent: Wednesday, December 2, 2015 4:47 PM
To: [email protected]
Subject: Roles and Oversubscription
How do roles and oversubscription work together? When you specify resources
that can be oversubscribed, do you say what role they work in? Is "revocable" a
role in and of itself?
I am trying to work through these various items in my path to learning more
about oversubscription.
Thanks!
John
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