.. _system-monitoring-database-statistics:

System monitoring database statistics
-------------------------------------

.. _19.1.1|VOSS-489:
.. _19.1.1|VOSS-349:


The ``sysadmin`` user has access to the   
**Database Statistics** menu (menu model: ``data/MetricDatabaseCollectionStats``)
that shows the *weekly and monthly*
collection metrics internal database collections.

.. note::

   * Mongo database collections are similar to tables relational databases.
   * Mongo database documents are similar to rows in relational database tables.


* The **Group Number** corresponds to the
  number of the **Grouping** - month or week of the year - respectively.
* The **Top Collections by Data Size** list shows individual data collections
  by name and sorted by size - displayed in bytes.
* The **Top Collections by Index Size** list shows individual data collection indexes
  by collection name and sorted by index size - displayed in bytes.
* The **Top Collections by Number of Documents** list shows data collection names
  by collection name and sorted by number of documents - displayed as an integer.

The **Configuration** menu allows for SNMP alerts to be configured if thresholds
are reached in total Data Size and Index Size.