tustvold opened a new issue, #296:
URL: https://github.com/apache/arrow-rs-object-store/issues/296

   **Is your feature request related to a problem or challenge? Please describe 
what you are trying to do.**
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   Currently we obtain credentials for a request once and use these to drive an 
operation to completion. This works, however, puts an upper bound on how long 
we can retry until the credentials are no longer valid
   
   
   
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   We should re-authorize requests on retry. The type machinery to enable this 
might end up being a touch arcane, especially because of the need to support 
things like S3 express which have different authorization processes depending 
on the API methid, but I'd hope this could be encapsulated neatly.
   
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   **Additional context**
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   apache/arrow-rs-object-store#41 proposes lowering the min ttl which in turn 
will lower the maximum retry duration


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