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=====================
Data Center Awareness
=====================
.. default-domain:: mongodb
.. contents:: On this page
:local:
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:class: singlecol
MongoDB provides a number of features that allow application
developers and database administrators to customize the behavior of a
:term:`sharded cluster` or :term:`replica set` deployment so that
MongoDB may be *more* "data center aware," or allow operational
and location-based separation.
MongoDB also supports segregation based
on functional parameters, to ensure that certain :program:`mongod`
instances are only used for reporting workloads or that certain
high-frequency portions of a sharded collection only exist on specific
shards.
The following documents, *found either in this section or other sections
of this manual*, provide information on customizing a deployment for
operation- and location-based separation:
.. include:: /includes/toc/dfn-list-spec-data-center-awareness.rst
Further Reading
---------------
- The :doc:`/reference/write-concern` and :doc:`/core/read-preference`
documents, which address capabilities related to data center
awareness.
- :doc:`/tutorial/deploy-geographically-distributed-replica-set`.
.. class:: hidden
.. toctree::
:titlesonly:
/core/operational-segregation
/core/tag-aware-sharding
/tutorial/administer-shard-tags