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Classe « ReadPreference »

Méthode pymongo.ReadPreference.NEAREST

Signature de la méthode NEAREST

def NEAREST(selection: 'Selection') -> 'Selection' 

Description

help(ReadPreference.NEAREST)

Nearest read preference.

* When directly connected to one mongod queries are allowed to standalone
  servers, to a replica set primary, or to replica set secondaries.
* When connected to a mongos queries are distributed among all members of
  a shard.
* When connected to a replica set queries are distributed among all
  members.

:param tag_sets: The :attr:`~tag_sets` for this read preference.
:param max_staleness: (integer, in seconds) The maximum estimated
    length of time a replica set secondary can fall behind the primary in
    replication before it will no longer be selected for operations.
    Default -1, meaning no maximum. If it is set, it must be at least
    90 seconds.
:param hedge: The :attr:`~hedge` for this read preference.

.. versionchanged:: 3.11
   Added ``hedge`` parameter.

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