.. _dochome:

==================================================
Percona Server for MongoDB |version| Documentation
==================================================

|PSMDB| is a free, enhanced, fully compatible, open source, drop-in replacement
for MongoDB 3.6 Community Edition with enterprise-grade features.
It requires no changes to MongoDB applications or code.

.. hint::

   To see which version of |PSMDB| you are using check the value of the
   ``psmdbVersion`` key in the output of the ``buildInfo`` database command. If
   this key does not exist |PSMDB| is not installed on the server.

   .. seealso::

      MongoDB Documentation: buildInfo Database Command
         https://docs.mongodb.com/manual/reference/command/buildInfo/#dbcmd.buildInfo

|PSMDB| provides the following features:

* MongoDB's original MMAPv1_ storage engine,
  and the default WiredTiger_ engine
* Optional :ref:`inmemory` and :ref:`mongorocks` storage engines
* Optional :ref:`psmdb.data-at-rest-encryption`
* :ref:`External SASL authentication <ext-auth>`
  using OpenLDAP or Active Directory
* :ref:`Audit logging <audit-log>`
  to track and query database interactions of users or applications
* :ref:`hot-backup` for the default WiredTiger_
  and alternative :ref:`mongorocks` storage engine
* :ref:`rate-limit` to decrease the impact of the profiler on performance

-----

Introduction
============

.. toctree::
   :maxdepth: 1

   Feature Comparison <comparison>

Installation
============

.. toctree::
   :maxdepth: 2
   :includehidden:
   :titlesonly:

   install/index
   Upgrading from MongoDB Community Edition <install/upgrade_from_mongodb>
   Upgrading from Version 3.4 <install/upgrade_from_34>

Features
========

.. toctree::
   :maxdepth: 1

   inmemory
   mongorocks
   hot-backup
   rate-limit
   authentication
   audit-logging
   log-redaction
   enable-auth
   data_at_rest_encryption
   ngram-full-text-search
   
Reference
=========

.. toctree::
   :maxdepth: 1

   switch_storage_engines
   Parameter Tuning <setParameter>
   contact
   Release Notes <release_notes/index>
   glossary
   copyright
   trademark-policy