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OpenStack Object Storage (Swift) Essentials by Sreedhar Varma, Kris Rajana, Amar Kapadia

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The hardware selection criteria

The permutations of hardware choices and the elements within each server are numerous. Further, the ratio of proxy to account to container to storage servers is yet another complication. Before we go through the systematic selection criteria, we need to determine the following characteristics about our environment:

  • Point of optimization for your environment: You will need to decide whether you want to optimize for performance or cost. Of course, with storage policies, you can mix both use cases in the same cluster, but for now it is useful to separate the two use cases.
  • Scale: The scale also has a huge impact on hardware selection. For simplicity, let's say small is in the range of hundreds of TB, medium is in the ...

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