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  1. Documentation
  2. DOCS-13244

Investigate changes in SERVER-44583: M/R Agg: Add explain support for mapReduce command

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    • Icon: Task Task
    • Resolution: Duplicate
    • Icon: Major - P3 Major - P3
    • 4.3.3
    • None
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    Description

      Description

      Downstream Change Summary

      The mapReduce command can now be run with explain like so:

      db.collection.explain(verbosity).mapReduce(

      Unknown macro: {mapReduceOptions}

      )

      Note that this only works for mapReduce implemented with aggregation.

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            backlog-server-pm Backlog - Core Eng Program Management Team
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            Dates

              Created:
              Updated:
              Resolved:
              4 years, 11 weeks, 2 days ago