[collectd] rrdcached/collectd ports

Sebastian Harl sh at tokkee.org
Fri Jun 26 17:59:39 CEST 2009

Hi Stefan,

On Fri, Jun 26, 2009 at 05:09:51PM +0200, Stefan.Wiederoder at kaufland.de wrote:
> I´ve compiled a shiny rrdcached, but I´m too dumb to configure its
> listening port to UDP - it´s only listening to TCP whereas my clients
> use UDP 25826 to send their data?

Since you're talking about port 25826 (the default port of collectd's
network plugin), I'm assuming that you're trying to send data to
RRDCacheD using the network plugin. That's not going to work, since
those are completely unrelated. You have to use the rrdcached plugin for
that purpose which in turn requires an up to date librrd that includes
support for the RRD client API implementing the network protocol used by


Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

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