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when carbon-ourname is set in config, it should not be prefixed with pdns. #6941

miesi opened this issue Sep 7, 2018 · 0 comments


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miesi commented Sep 7, 2018

  • Program: Authoritative, Recursor, dnsdist
  • Issue type: Feature change request

Short description

when carbon-ourname is set in config, it should not be prefixed with pdns.

alternatively update documentation Sending metrics to Graphite/Metronome over Carbon: Warning:


If your hostname includes dots, they will be replaced by underscores so as not to confuse the namespace.

If you include dots in carbon-ourname, they will not be replaced by underscores. As PowerDNS assumes you know what you are doing if you override your hostname. The carbon-ourname be will unconditionally prefixed with pdns.

Expected behaviour

carbon-ourname is not prefixed with anything because it is a setting for people that know what they are doing.

Actual behaviour

metric name is statically nailed down to pdns.. see pdns/ line 64

Other information

pdns/ line 64 does the unconditional prefix of "pdns."

This is related to #2362.

You could also try a wrap up of all these carbon related issues:

1     2        3         4

In my opinion the static strings 1 and 3 need to be configurable.
1 carbon-namespace
2 carbon-ourname
3 carbon-instancename

with the following defaults:
carbon-namespace : "pdns"
carbon-ourname : hostname ~=s,.,_,g
carbon-instancename : config-name


I want to consolidate my metrics from collectd and pdns auth,recursor into one namespace.

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