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PMDAMAILQ(1)									     PMDAMAILQ(1)

       pmdamailq - mail queue performance metrics domain agent (PMDA)

       $PCP_PMDAS_DIR/mailq/pmdamailq  [-b binlist] [-d domain] [-l logfile] [-r regex] [-U user-
       name] [queuedir]

       pmdamailq is a Performance Metrics Domain Agent (PMDA) which extracts performance  metrics
       describing  the	state of the e-mail queues managed by sendmail(1) and other mail transfer

       The mailq PMDA exports metrics that measure the total number of entries in the mail queue,
       and the subtotals for entries that have been queued for various time periods.

       A brief description of the pmdamailq command line options follows:

       -b   The binlist argument specifies a list of delay thresholds used to ``bin'' the entries
	    in the queue into a a histogram based on how long the entry  has  been  in	the  mail
	    queue.   The  default  thresholds  are: 1 hour, 4 hours, 8 hours, 1 day, 3 days and 7
	    days.  The entries in binlist are comma separated time intervals,  using  the  syntax
	    described  in  PCPIntro(1) for an update or reporting interval, e.g. the default list
	    could be specified using the value 1hr,4hrs,8hrs,1day,3days,7days.

	    Values in binlist are assumed to be in ascending order, and mail items in  the  queue
	    less than the first threshold are binned into a special bin labeled ``recent''.

       -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 mailq.log is written in the
	    current directory of pmcd(1) when pmdamailq 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   Use an extended regular expression to match file names in the mail	queue  directory,
	    rather  than  assuming  all  "df" prefixed files in the directory are mail files (the
	    "df" prefix is the sendmail convention, but this convention is not followed by  other
	    mail  daemons).   The  regex  pattern  specified  should  conform to the POSIX format
	    described in regex(3), and it describes file names that should be considered mail.

       -U   User account under which to run the agent.	The default  is  the  unprivileged  "pcp"
	    account  in  current  versions  of	PCP,  but in older versions the superuser account
	    ("root") was used by default.

       The optional queuedir argument defines the directory in which pmdamailq	expects  to  find
       the mail queue.	The default is /var/spool/mqueue.

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

	    # cd $PCP_PMDAS_DIR/mailq
	    # ./Install

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

	    # cd $PCP_PMDAS_DIR/mailq
	    # ./Remove

       pmdamailq 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.

		 command line options used to launch pmdamailq
		 default help text file for the mailq metrics
		 installation script for the pmdamailq agent
		 undo installation script for the pmdamailq agent
		 default log file for error messages and other information from pmdamailq

       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).

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

Performance Co-Pilot			       PCP				     PMDAMAILQ(1)
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