IBM Data and AI Ideas Portal for Customers

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We invite you to shape the future of IBM, including product roadmaps, by submitting ideas that matter to you the most. Here's how it works:

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Post ideas and requests to enhance a product or service. Take a look at ideas others have posted and upvote them if they matter to you,

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Status Delivered
Workspace Spectrum Symphony
Components Version 7.2.1
Created by Guest
Created on Apr 2, 2019

Symphony Spot Instance partial fulfillment

There is a cost concern for spot instance partial fulfillment . Say we request spot fleet with 500 hosts. It is only fulfilled 200 hosts, then we cancel the request. We still got charged for those 200 hosts even it is just a few minutes. Amazon team suggests 2 options:

In your case I recommended to use EC2 Fleet with type 'instant', or with 'MinTargetCapacity' in order to avoid fulfilling a partial request that does not have sufficient capacity:

Another option would be to make an On-Demand capacity reservation before the Spot Fleet request. If the On-Demand capacity reservation is fulfilled, you can immediately terminate the capacity reservation and then make the Spot Fleet request. While not guaranteed, if the On-Demand capacity request is fulfilled, there is likely enough spare capacity for the Spot Fleet request to succeed:

  • Guest
    Dec 26, 2020


  • Guest
    Nov 26, 2020

    .With all the updates available in Symphony 7.3.1 release, this one is to be evaluated for future roadmap release whether it is still needed.