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  1. Drivers
  2. DRIVERS-773

MR in Agg: Remove in-line mapReduce execution statistics

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    • Type: Icon: Task Task
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
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      With this change, the mapReduce command will no longer return execution statistics as part of the command response object. Instead users will be requested to run mapReduce via explain command with executionStats.

      As discussed with Jeff Yemin, this will break a method used by the legacy Java driver API to retrieve stats. It is possible that other drivers will be affected as well.

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      With this change, the mapReduce command will no longer return execution statistics as part of the command response object. Instead users will be requested to run mapReduce via explain command with executionStats. As discussed with Jeff Yemin, this will break a method used by the legacy Java driver API to retrieve stats. It is possible that other drivers will be affected as well.
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      Key Status/Resolution FixVersion
      CDRIVER-3444 Works as Designed
      NODE-2367 Won't Do
      PYTHON-2072 Fixed 3.10.1
      CSHARP-2864 Works as Designed
      JAVA-3522 Fixed 3.12.1
      RUBY-2036 Works as Designed
      CXX-1884 Works as Designed
      MOTOR-469 Duplicate
      GODRIVER-1425 Won't Do
      PHPLIB-515 Fixed 1.7.0-beta1, 1.7.0
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      Downstream Change Summary

      With this change, the mapReduce command will no longer return execution statistics as part of the command response object. Instead users will be requested to run mapReduce via explain command with executionStats.

      As discussed with Jeff Yemin, this will break a method used by the legacy Java driver API to retrieve stats. It is possible that other drivers will be affected as well.

      Description of Linked Ticket

      These will be replaced by support for mapReduce explain with executionStats

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            Reporter:
            backlog-server-pm Backlog - Core Eng Program Management Team
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