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[Josh B <question234201@xxxxxxxxxxxxxxxxxxxxx>]

Question #234201 on Graphite changed:
https://answers.launchpad.net/graphite/+question/234201

Description changed to:
I'm wondering what the restrictions are on variable names.

I'm trying to port my existing homegrown monitoring system into Graphite
by simply sending all the data to the carbon listener (in the proper
timestamped format, of course).  Unfortunately, very few of my metrics
are showing up with actual data.   All of them get whisper files
created, and show up in the Graphite GUI, but the vast majority (>95%)
have no data - not zeroes, just no data at all, (I'm assuming) because
selecting them doesn't even attempt to create a dataset on the active
graph.

The only thing I can think of is that many of the variable names are
pretty long and have some questionable characters.  I've tried
formatting them before sending to carbon to remove said characters, but
it didn't help.  The only thing I can think of is that the variable
names are too long.  There are several with 100+ characters, but there
are some in the ~30 character range that aren't showing up either.

Are there any pre-defined restrictions  on the variable names?  If that
doesn't help, is there an easy way to have carbon/whisper generate some
useful errors?  Is there a way to dump the data within the whisper files
(a la rrdtool dump) to verify that there is indeed a lack of data, and
not just something wrong with the GUI?

Thank you!

Edit:

I found the whisper-dump tool.  There is indeed data in the whisper
files.  I guess there's a problem displaying these data sets in the GUI
for one reason or another.  Just a point in the right direction about
how to troubleshoot this would be great.  Thanks!

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