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FaultDomain, conventions for additional hierarchy. #294

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merged 1 commit into from Feb 16, 2019

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jdef
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@jdef jdef commented May 30, 2018

Added notes from the "Convention for Additional Hierarchy" of the original design doc: https://docs.google.com/document/d/1gEugdkLRbBsqsiFv3urRPRNrHwUC-i1HwfFfHR_MvC8/edit#heading=h.emfys1xszpir

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jdef commented May 30, 2018

* Complex deployments may have additional levels of hierarchy: for example,
* multiple racks might be grouped together into "halls" and multiple DCs in
* the same geographical vicinity might be grouped together. As a convention,
* the recommended way to represent additional levels of hierarchy is via dot-
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We don't need to recommend "dot" right? It could be any delimiter that they choose to have? As far as Mesos is concerned, it doesn't matter.

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I realize that Mesos doesn't care. The goal of having a convention was to promote compatibility across frameworks and clusters that can handle additional levels of hierarchy. Consistency suffers w/o convention. This was the justification for adding the same commentary to the design doc, and it's just as relevant (and much easier to find) here.

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@vinodkone did you have any other thoughts on this matter?

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@jdef would you like to keep this PR open? Doing some grooming today.

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jdef commented Aug 27, 2018 via email

@vinodkone vinodkone merged commit 437968d into apache:master Feb 16, 2019
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