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  1. Python Driver
  2. PYTHON-256

Use slaves for 'count()', 'distinct()' and 'group()'

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 1.11
    • Fix Version/s: 2.1
    • Component/s: None
    • Labels:
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      Description

      As of version 1.11, calls to Cursor.count(), Cursor.distinct() and Collection.group() are always sent to the master node in a replicated environment, even when using MasterSlaveConnection.

      Sice they are read-only operations, it should be OK to do them on any slave server instead.

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