NAME
   App::derived - run command periodically and calculate rate and check
   from network

SYNOPSIS
     $ cat CmdsFile
     slowqueries: mysql -NB -e 'show global status like "Slow_queries%"'
     $ derived -MMemcahced,port=11211,host=127.0.0.1 CmdsFile

     $ telnet localhost port
     get slowqueris
     VALUE slowqueris 0 3
     0.2  # slow queries/sec

DESCRIPTION
   derived runs commands periodically and capture integer value. And
   calculate per-second rate. You can retrieve these values from integrated
   memcached-protocol server or pluggable workers.

   You can monitoring the variation of metrics through this daemon.

   See detail for perldoc "derived"

AUTHOR
   Masahiro Nagano <[email protected]>

SEE ALSO
   <derived>

LICENSE
   Copyright (C) Masahiro Nagano

   This library is free software; you can redistribute it and/or modify it
   under the same terms as Perl itself.

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