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[Nicholas Leskiw <question173242@xxxxxxxxxxxxxxxxxxxxx>]

Question #173242 on Graphite changed:
https://answers.launchpad.net/graphite/+question/173242

Nicholas Leskiw proposed the following answer:
So it's mostly fixed. 
Any NEW NaN values will be dropped in trunk. 
However,  the old data already stored in your.wsp file is there. 
You'll need to either a) delete the file, b) find the nan values, calculate the epoch time for each of them, and send a None or 0 value to Graphite to overwrite the nan to fix your existing graphs.

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