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Idea #17465

Updated by Peter Amstutz about 3 years ago

Depends on #13382 

 The client is responsible for keeping track of how many replicas have been written for each storage class. If one storage class is satisfied but not another, the satisfied one can be removed from the X-Keep-Storage-Classes list. The overall write is a success if all storage classes were satisfied, and a failure if any of the storage classes could not be satisfied. 

 Add as an option to Python keepclient and Collection class. 

 "We are not expecting to skip servers, we just need to send the storage classes and know when we are done" 



 Keepclient code in Go and Python SDK support: 

     Setting storage classes to use when uploading a block 
     Passing storage classes in the X-Keep-Storage-Classes header 

 The client is responsible for keeping track of how many replicas have been written for each storage class. If one storage class is satisfied but not another, the satisfied one can be removed from the X-Keep-Storage-Classes list. The overall write is a success if all storage classes were satisfied, and a failure if any of the storage classes could not be satisfied. 

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