Active

% for my $host (@{$active_hosts}) { % if (exists $host->{mem_used_ratio}) { % } % else { % } % }

Hostname	Load	Memory	OS
<%= $host->{hostname} %>	<%= $host->{load15} %>	<%= sprintf('%.1f%%', $host->{mem_used_ratio} * 100) %>	<%= sprintf('%d MB', $host->{mem_total} / 1024) %>	Debian <%= $host->{debian_version} %>

Old

% for my $host (@{$old_hosts}) { % }

Hostname	Load	OS
<%= $host->{hostname} %>	<%= $host->{load15} %>	Debian <%= $host->{debian_version} %>