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Linux 2.6 - man page for qshape (linux section 1)

QSHAPE(1)			     General Commands Manual				QSHAPE(1)

NAME
       qshape - Print Postfix queue domain and age distribution

SYNOPSIS
       qshape [-s] [-p] [-m min_subdomains]
	       [-b bucket_count] [-t bucket_time]
	       [-l] [-w terminal_width]
	       [-N batch_msg_count] [-n batch_top_domains]
	       [-c config_directory] [queue_name ...]

DESCRIPTION
       The  qshape program helps the administrator understand the Postfix queue message distribu-
       tion in time and by sender domain or recipient domain. The program needs  read  access  to
       the  queue  directories and queue files, so it must run as the superuser or the mail_owner
       specified in main.cf (typically postfix).

       Options:

       -s     Display the sender domain distribution instead of the  recipient	domain	distribu-
	      tion.  By default the recipient distribution is displayed. There can be more recip-
	      ients than messages, but as each message has only one sender, the sender	distribu-
	      tion is a message distribution.

       -p     Generate	aggregate statistics for parent domains. Top level domains are not shown,
	      nor are domains with fewer than min_subdomains  subdomains.  The	names  of  parent
	      domains are shown with a leading dot, (e.g. .example.com).

       -m min_subdomains
	      When  used  with	the  -p option, sets the minimum subdomain count needed to show a
	      separate line for a parent domain. The default is 5.

       -b bucket_count
	      The age distribution is broken up  into  a  sequence  of	geometrically  increasing
	      intervals. This option sets the number of intervals or "buckets". Each bucket has a
	      maximum queue age that is twice as large as that of the previous bucket.	The  last
	      bucket has no age limit.

       -t bucket_time
	      The age limit in minutes for the first time bucket. The default value is 5, meaning
	      that the first bucket counts messages between 0 and 5 minutes old.

       -l     Instead of using a geometric age sequence, use a	linear	age  sequence,	in  other
	      words simple multiples of bucket_time.

	      This feature is available in Postfix 2.2 and later.

       -w terminal_width
	      The  output  is  right  justified, with the counts for the last bucket shown on the
	      80th column, the terminal_width can be adjusted for  wider  screens  allowing  more
	      buckets to be displayed without truncating the domain names on the left. When a row
	      for a full domain name and its counters does not fit in  the  specified  number  of
	      columns,	only  the  last  17  bytes  of	the domain name are shown with the prefix
	      replaced by a '+' character. Truncated parent domain rows are shown  as  '.+'  fol-
	      lowed  by the last 16 bytes of the domain name. If this is still too narrow to show
	      the domain name and all the counters, the terminal_width limit is violated.

       -N batch_msg_count
	      When the	output	device	is  a  terminal,  intermediate	results  are  shown  each
	      "batch_msg_count"  messages. This produces usable results in a reasonable time even
	      when the deferred queue is large. The default is to show intermediate results every
	      1000 messages.

       -n batch_top_domains
	      When  reporting  intermediate  or final results to a termainal, report only the top
	      "batch_top_domains" domains. The default limit is 20 domains.

       -c config_directory
	      The main.cf configuration file is in the named directory	instead  of  the  default
	      configuration directory.

       Arguments:

       queue_name
	      By  default  qshape  displays  the combined distribution of the incoming and active
	      queues. To display a different set of queues, just list their  directory	names  on
	      the command line.  Absolute paths are used as is, other paths are taken relative to
	      the main.cf queue_directory parameter setting.  While main.cf supports the  use  of
	      $variable  expansion in the definition of the queue_directory parameter, the qshape
	      program does not. If you must use variable expansions in the  queue_directory  set-
	      ting,  you  must specify an explicit absolute path for each queue subdirectory even
	      if you want the default incoming and active queue distribution.

SEE ALSO
       mailq(1), List all messages in the queue.
       QSHAPE_README Examples and background material.

FILES
       $config_directory/main.cf, Postfix installation parameters.
       $queue_directory/maildrop/, local submission directory.
       $queue_directory/incoming/, new message queue.
       $queue_directory/hold/, messages waiting for tech support.
       $queue_directory/active/, messages scheduled for delivery.
       $queue_directory/deferred/, messages postponed for later delivery.

LICENSE
       The Secure Mailer license must be distributed with this software.

AUTHOR(S)
       Victor Duchovni
       Morgan Stanley

											QSHAPE(1)


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