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[Tune] time_attr paramter to async hyperband lacks meaningful description #32467

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@amadou-6e

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Time attr is described by:

"""        
time_attr: A training result attr to use for comparing time.
            Note that you can pass in something non-temporal such as
            `training_iteration` as a measure of progress, the only 
"""

Something like such as is kind of very unsepcific. What is meant by that? What can i pass it without the run erroring out? I tried some stuff but would it not be better having an exhaustive list of options from which to choose? I was unable to find a better description of this anywhere. In the stoppers it says we can also pass a dict, but here aswell, the keys of the dict are not specified. If I pass any key it crashes.

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    P2Important issue, but not time-criticaldocsAn issue or change related to documentationtuneTune-related issues

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