RRDtool consolidation not going as expected Post: 302525449

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log::log4perl::appender::rrds

Appender::RRDs(3pm)					User Contributed Perl Documentation				       Appender::RRDs(3pm)

NAME

       Log::Log4perl::Appender::RRDs - Log to a RRDtool Archive

SYNOPSIS

	   use Log::Log4perl qw(get_logger);
	   use RRDs;

	   my $DB = "myrrddb.dat";

	   RRDs::create(
	     $DB, "--step=1",
	     "DS:myvalue:GAUGE:2:U:U",
	     "RRA:MAX:0.5:1:120");

	   print time(), "
";

	   Log::Log4perl->init(qq{
	     log4perl.category = INFO, RRDapp
	     log4perl.appender.RRDapp = Log::Log4perl::Appender::RRDs
	     log4perl.appender.RRDapp.dbname = $DB
	     log4perl.appender.RRDapp.layout = Log::Log4perl::Layout::PatternLayout
	     log4perl.appender.RRDapp.layout.ConversionPattern = N:%m
	   });

	   my $logger = get_logger();

	   for(10, 15, 20, 25) {
	       $logger->info($_);
	       sleep 1;
	   }

DESCRIPTION

       "Log::Log4perl::Appender::RRDs" appenders facilitate writing data to RRDtool round-robin archives via Log4perl. For documentation on RRD
       and its Perl interface "RRDs" (which comes with the distribution), check out <http://rrdtool.org>.

       Messages sent to Log4perl's RRDs appender are expected to be numerical values (ints or floats), which then are used to run a "rrdtool
       update" command on an existing round-robin database. The name of this database needs to be set in the appender's "dbname" configuration
       parameter.

       If there's more parameters you wish to pass to the "update" method, use the "rrdupd_params" configuration parameter:

	   log4perl.appender.RRDapp.rrdupd_params = --template=in:out

       To read out the round robin database later on, use "rrdtool fetch" or "rrdtool graph" for graphic displays.

COPYRIGHT AND LICENSE

       Copyright 2002-2009 by Mike Schilli <m@perlmeister.com> and Kevin Goess <cpan@goess.org>.

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

perl v5.10.1							    2010-07-21						       Appender::RRDs(3pm)