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 <kazeburo@gmail.com>

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.

