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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
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<title> Postfix manual - qshape(1) </title>
</head> <body> <pre>
QSHAPE(1)                                                            QSHAPE(1)

<b>NAME</b>
       qshape - Print Postfix queue domain and age distribution

<b>SYNOPSIS</b>
       <b>qshape</b> [<b>-s</b>] [<b>-p</b>] [<b>-m</b> <i>min</i><b>_</b><i>subdomains</i>]
               [<b>-b</b> <i>bucket</i><b>_</b><i>count</i>] [<b>-t</b> <i>bucket</i><b>_</b><i>time</i>]
               [<b>-l</b>] [<b>-w</b> <i>terminal</i><b>_</b><i>width</i>]
               [<b>-N</b> <i>batch</i><b>_</b><i>msg</i><b>_</b><i>count</i>] [<b>-n</b> <i>batch</i><b>_</b><i>top</i><b>_</b><i>domains</i>]
               [<b>-c</b> <i>config</i><b>_</b><i>directory</i>] [<i>queue</i><b>_</b><i>name</i> ...]

<b>DESCRIPTION</b>
       The  <b>qshape</b> program helps the administrator understand the
       Postfix queue message distribution 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 <b><a href="postconf.5.html#mail_owner">mail_owner</a></b> specified in <a href="postconf.5.html"><b>main.cf</b></a>
       (typically <b>postfix</b>).

       Options:

       <b>-s</b>     Display the sender domain distribution  instead  of
              the  recipient domain distribution.  By default the
              recipient distribution is displayed. There  can  be
              more  recipients than messages, but as each message
              has only one sender, the sender distribution  is  a
              message distribution.

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

       <b>-m</b> <i>min</i><b>_</b><i>subdomains</i>
              When used with the <b>-p</b> option, sets the minimum sub-
              domain count needed to show a separate line  for  a
              parent domain. The default is 5.

       <b>-b</b> <i>bucket</i><b>_</b><i>count</i>
              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.

       <b>-t</b> <i>bucket</i><b>_</b><i>time</i>
              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.

       <b>-l</b>     Instead  of  using  a geometric age sequence, use a
              linear age sequence, in other words  simple  multi-
              ples of <b>bucket_time</b>.

              This feature is available in Postfix 2.2 and later.

       <b>-w</b> <i>terminal</i><b>_</b><i>width</i>
              The output is right justified, with the counts  for
              the  last bucket shown on the 80th column, the <i>ter-</i>
              <i>minal</i><b>_</b><i>width</i>  can  be  adjusted  for  wider  screens
              allowing more buckets to be displayed without trun-
              cating 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 '.+' followed by the last
              16 bytes of the domain name. If this is  still  too
              narrow  to  show  the domain name and all the coun-
              ters, the terminal_width limit is violated.

       <b>-N</b> <i>batch</i><b>_</b><i>msg</i><b>_</b><i>count</i>
              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 <a href="QSHAPE_README.html#deferred_queue">deferred queue</a> is large. The default
              is to show intermediate  results  every  1000  mes-
              sages.

       <b>-n</b> <i>batch</i><b>_</b><i>top</i><b>_</b><i>domains</i>
              When  reporting  intermediate or final results to a
              termainal, report only the top  "batch_top_domains"
              domains. The default limit is 20 domains.

       <b>-c</b> <i>config</i><b>_</b><i>directory</i>
              The  <a href="postconf.5.html"><b>main.cf</b></a>  configuration  file  is  in the named
              directory  instead  of  the  default  configuration
              directory.

       Arguments:

       <i>queue</i><b>_</b><i>name</i>
              By  default  <b>qshape</b> displays the combined distribu-
              tion of the <a href="QSHAPE_README.html#incoming_queue">incoming</a> and <a href="QSHAPE_README.html#active_queue">active queues</a>. To  display
              a  different  set of queues, just list their direc-
              tory names on the command line.  Absolute paths are
              used  as  is, other paths are taken relative to the
              <a href="postconf.5.html"><b>main.cf</a> <a href="postconf.5.html#queue_directory">queue_directory</a></b> parameter  setting.   While
              <a href="postconf.5.html"><b>main.cf</b></a>  supports the use of <i>$variable</i> expansion in
              the definition of  the  <b><a href="postconf.5.html#queue_directory">queue_directory</a></b>  parameter,
              the  <b>qshape</b> program does not. If you must use vari-
              able expansions in the <b><a href="postconf.5.html#queue_directory">queue_directory</a></b> setting, you
              must  specify  an  explicit  absolute path for each
              queue subdirectory even if  you  want  the  default
              <a href="QSHAPE_README.html#incoming_queue">incoming</a> and <a href="QSHAPE_README.html#active_queue">active queue</a> distribution.

<b>SEE ALSO</b>
       <a href="mailq.1.html">mailq(1)</a>, List all messages in the queue.
       <a href="QSHAPE_README.html">QSHAPE_README</a> Examples and background material.

<b>FILES</b>
       $<a href="postconf.5.html#config_directory">config_directory</a>/<a href="postconf.5.html">main.cf</a>, Postfix installation parameters.
       $<a href="postconf.5.html#queue_directory">queue_directory</a>/maildrop/, local submission directory.
       $<a href="postconf.5.html#queue_directory">queue_directory</a>/incoming/, new message queue.
       $<a href="postconf.5.html#queue_directory">queue_directory</a>/hold/, messages waiting for tech support.
       $<a href="postconf.5.html#queue_directory">queue_directory</a>/active/, messages scheduled for delivery.
       $<a href="postconf.5.html#queue_directory">queue_directory</a>/deferred/, messages postponed for later delivery.

<b>LICENSE</b>
       The  Secure  Mailer  license must be distributed with this
       software.

<b>AUTHOR(S)</b>
       Victor Duchovni
       Morgan Stanley

                                                                     QSHAPE(1)
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