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[Jeff Blaine <question207179@xxxxxxxxxxxxxxxxxxxxx>]

Question #207179 on Graphite changed:
https://answers.launchpad.net/graphite/+question/207179

Jeff Blaine posted a new comment:
Maybe transformNull?

http://graphite.readthedocs.org/en/0.9.10/functions.html#graphite.render.functions.transformNull

I am guessing that you have the the storage schema configured for these
http requests to only have 1 retention period? I think it is pretty rare
to have carbon return no data values for a whisper database that *does*
exist, but that may just be because most people configure more than one
retention specification (each of which makes a whisper 'archive').

This may help re: above paragraph?

http://graphite.readthedocs.org/en/0.9.10/whisper.html#multi-archive-
storage-and-retrieval-behavior

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