A Log4perl layout that spits out LTSV.
$ cpanm Log::Log4perl::Layout::LTSV
use Log::Log4perl;
use Log::Log4perl::Layout::LTSV;
my $logger_conf = {
'log4perl.logger.test' => 'DEBUG, SERVER',
'log4perl.appender.SERVER' => 'Log::Log4perl::Appender::Socket',
'log4perl.appender.SERVER.PeerAddr' => '10.1.2.3',
'log4perl.appender.SERVER.PeerPort' => '514',
'log4perl.appender.SERVER.Proto' => 'tcp',
'log4perl.appender.SERVER.layout' => 'LTSV',
'log4perl.appender.SERVER.layout.field.facility' => 'Custom facility',
'log4perl.appender.SERVER.layout.field.application' => 'Awesome application',
'log4perl.appender.SERVER.layout.field.datacenter' => 'DC12'
};
Log::Log4perl->init($logger_conf);
my $LOGGER = Log::Log4perl->get_logger('test');
$LOGGER->debug('Debug log');