pmdamongodb(1) — Linux manual page


PMDAMONGODB(1)           General Commands Manual          PMDAMONGODB(1)

NAME         top

       pmdamongodb - MongoDB database metrics

DESCRIPTION         top

       pmdamongodb is a Performance Co-Pilot (PCP) Performance Metrics
       Domain Agent (PMDA) which extracts live performance data from a
       running MongoDB database server.


       Firstly, pmdamongodb requires installation of the pymongo support
       packages - a general purpose Python module for querying MongoDB.

       Next, pmdamongodb reads an optional ini-style configuration file:


       This file currently allows for two sections, one for configuring
       the MongoDB socket connection, the other for authentication.


       host (localhost)
              Connect to the MongoDB socket on the given hostname.

       port (27017)
              Connect to the MongoDB socket on the given port.


       username (empty)
              Username to connect to the database.

       password (empty)
              Password to connect to the database.

INSTALLATION         top

       To install, the following must be done as root:

           # cd $PCP_PMDAS_DIR/mongodb
           # ./Install

       To uninstall, the following must be done as root:

           # cd $PCP_PMDAS_DIR/mongodb
           # ./Remove

       pmdamongodb is launched by pmcd(1) and should never be executed
       directly.  The Install and Remove scripts notify pmcd(1) when the
       agent is installed or removed.

FILES         top

            configuration file for the pmdamongodb agent

            installation script for the pmdamongodb agent

            undo installation script for the pmdamongodb agent

            default log file for messages from the pmdamongodb agent

       Note that the usual/default value for $PCP_PMDAS_DIR is
       /var/lib/pcp/pmdas and the default for $PCP_LOG_DIR is
       /var/log/pcp but these settings are platform dependent.


       Environment variables with the prefix PCP_ are used to
       parameterize the file and directory names used by PCP.  On each
       installation, the file /etc/pcp.conf contains the local values
       for these variables.  The $PCP_CONF variable may be used to
       specify an alternative configuration file, as described in

SEE ALSO         top

       PCPIntro(1) and pmcd(1).

COLOPHON         top

       This page is part of the PCP (Performance Co-Pilot) project.
       Information about the project can be found at 
       ⟨⟩.  If you have a bug report for this manual
       page, send it to  This page was obtained from the
       project's upstream Git repository
       ⟨⟩ on 2023-12-22.
       (At that time, the date of the most recent commit that was found
       in the repository was 2023-12-16.)  If you discover any rendering
       problems in this HTML version of the page, or you believe there
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       corrections or improvements to the information in this COLOPHON
       (which is not part of the original manual page), send a mail to

Performance Co-Pilot               PCP                    PMDAMONGODB(1)