Implement aggregation stage to return resource consumption metrics

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    • Type: Task
    • Resolution: Fixed
    • Priority: Major - P3
    • 4.8.0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Fully Compatible
    • Execution Team 2020-10-05
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    • 3
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      Implement an agg pipeline stage "$operationMetrics" to return global resource consumption metrics.

      This stage accepts a "clearMetrics" flag. When set to true, will clear the metrics after building the response to the command.

      The command response format will be the following:

      { ok: 1, 
  cursor: {
    firstBatch: [ 
      { db: "<dbname>", 
        primaryMetrics: \{ docBytesRead: 0, docUnitsRead: 0, idxEntriesRead: 0, keysSorted: 0 }, 
        secondaryMetrics: \{ docBytesRead: 0, docUnitsRead: 0, idxEntriesRead: 0, keysSorted: 0 }, 
        cpuMillis: 0, 
        docBytesWritten: 0, 
        docUnitsWritten: 0, 
        docUnitsReturned: 0 }, 
      \{ ... } ] ,
    id : NumberLong("668860441858272439") 
  }
}

            Assignee:
            Louis Williams
            Reporter:
            Louis Williams
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              Created:
              Updated:
              Resolved: