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[Tim Zehta <question246005@xxxxxxxxxxxxxxxxxxxxx>]

Question #246005 on Graphite changed:
https://answers.launchpad.net/graphite/+question/246005

Tim Zehta posted a new comment:
Troubleshooting Graphite can be a bother. Determining where a problem
lies requires verification of the data at all of the points of
communication. The best tool I've found for this is ngrep:

sudo ngrep -lqd any ping tcp dst port 2003


The following one-line command finds ping metrics submitted over TCP to Graphite and highlights them using grep:

match='ping'; sudo ngrep -lqd any "${match}" tcp dst port 2003 | grep -F
--color=tty "${match}"


Changing the protocol and port allows easy inspection of metrics sent to a statsd listener, from carbon-aggregator to carbon-cache, etc.

See the man page for more information:
http://manpages.ubuntu.com/manpages/precise/en/man8/ngrep.8.html

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