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  1. Core Server
  2. SERVER-47602

_killOperations for hedged reads can reach remote before original operation

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Won't Fix
    • None
    • None
    • None
    • ALL
    • v4.4
    • Service arch 2020-04-20, Service arch 2020-05-04, Service arch 2020-05-18, Service arch 2020-06-29, Service arch 2020-07-13, Service Arch 2020-08-24, Service Arch 2021-06-28, Service Arch 2021-07-12, Service Arch 2021-08-09, Service Arch 2021-08-23, Service Arch 2021-09-06
    • 0
    • 1

    Description

      When we issue a _killoperation to cancel a hedged read, we do not know if the remote server has already processed the original read and registered its clientOperationKey. As a result, the _killOperation can be processed before the original read and "miss" its intended operation.

       

      Acceptance Criteria: Tests should ensure that we make the best effort to kill outstanding hedged reads but not require that we do so. 

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              amirsaman.memaripour@mongodb.com Amirsaman Memaripour
              ben.caimano@mongodb.com Benjamin Caimano (Inactive)
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                Created:
                Updated:
                Resolved: