[collectd] meta and rrdcached

[Oleg King]

Hello!

I was absent for a while, so have some question about new (not
documented yet) features in collectd.

1. in 4.5.0 "The concept of "notification meta data" has been
introduced.". What is it?

2. I have found rrdcached plugin source in source tree. What is it?
How to use it?

3. Is there is possibility to prevent some (not needed) rrd files
from writing on disk (just skip info in rrdtool plugin) to reduce
disk load?

Thanks in advance.

-- 
Best regards,
 Oleg                          mailto:king2 at kaluga.ru