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CentOS 7.0 - man page for pmdarpm (centos section 1)

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PMDARPM(1)									       PMDARPM(1)

NAME
       pmdarpm - RPM packages performance metrics domain agent (PMDA)

SYNOPSIS
       $PCP_PMDAS_DIR/rpm/pmdarpm [-C] [-d domain] [-l logfile] [-r path] [-U username]

DESCRIPTION
       pmdarpm	is  a  Performance Metrics Domain Agent (PMDA) which extracts performance metrics
       reflecting the state of the RPM package database managed by rpm(1).

       The rpm PMDA exports metrics that describe each package installed on a system, as well  as
       some cumulative totals.	When the RPM database changes the PMDA automatically detects this
       and uses a background thread to asynchronously refresh its values.

       A brief description of the pmdarpm command line options follows:

       -C   Verify the package iteration code by scanning the RPM database  once,  then  exiting.
	    Only useful for problem diagnosis and testing.

       -d   It is absolutely crucial that the performance metrics domain number specified here is
	    unique and consistent.  That is, domain should be different for every PMDA on the one
	    host, and the same domain number should be used for the same PMDA on all hosts.

       -l   Location  of  the  log  file.  By default, a log file named rpm.log is written in the
	    current directory of pmcd(1) when pmdarpm is started,  i.e.   $PCP_LOG_DIR/pmcd.   If
	    the  log file cannot be created or is not writable, output is written to the standard
	    error instead.

       -r   Specify an alternate path to the RPM database (default is /var/lib/rpm/Packages).

       -U   User account under which to run the agent.	The default  is  the  unprivileged  "pcp"
	    account.

INSTALLATION
       If  you want access to the names, help text and values for the rpm performance metrics, do
       the following as root:

	    # cd $PCP_PMDAS_DIR/rpm
	    # ./Install

       If you want to undo the installation, do the following as root:

	    # cd $PCP_PMDAS_DIR/rpm
	    # ./Remove

       pmdarpm 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
       $PCP_PMCDCONF_PATH
		 command line options used to launch pmdarpm
       $PCP_PMDAS_DIR/rpm/help
		 default help text file for the rpm metrics
       $PCP_PMDAS_DIR/rpm/Install
		 installation script for the pmdarpm agent
       $PCP_PMDAS_DIR/rpm/Remove
		 undo installation script for the pmdarpm agent
       $PCP_LOG_DIR/pmcd/rpm.log
		 default log file for error messages and other information from pmdarpm

PCP ENVIRONMENT
       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 config-
       uration file, as described in pcp.conf(5).

SEE ALSO
       PCPIntro(1), pmcd(1), pcp.conf(5) and pcp.env(5).

Performance Co-Pilot			       PCP				       PMDARPM(1)
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