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  1. Core Server
  2. SERVER-68956

FLE2 Range Query: adjust sparsity in createCollection

    • Type: Icon: Task Task
    • Resolution: Duplicate
    • Priority: Icon: Major - P3 Major - P3
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    • Security 2022-08-22, Security 2022-09-05

      Per following note from seny.kamara@mongodb.com

      No it does not have to be a power of two anymore; but we will be opinionated setting it and provide guidelines to customers

      and per updated specifications, where sparsity must be at least 1 (otherwise division by zero happens):

      createCollection should adopt a new definition of sparsity being a number from 1 to 4. Number 4 is chosen arbitrarily and could be later updated to a larger number. We must limit that number to a reasonably low value such that we don't find ourselves in situation where minCover would run out of memory because it would consist of purely leaf nodes

            Assignee:
            sergey.galtsev@mongodb.com Sergey Galtsev (Inactive)
            Reporter:
            sergey.galtsev@mongodb.com Sergey Galtsev (Inactive)
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