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[Michael Leinartas <question187996@xxxxxxxxxxxxxxxxxxxxx>]

Question #187996 on Graphite changed:
https://answers.launchpad.net/graphite/+question/187996

Michael Leinartas posted a new comment:
Yeah, thats how it should work. Whisper will round back to the nearest
multiple of the precision (10). Usually the only thing to note is that
you need to roll-up older metrics yourself if you're beyond the first
schema definition (in your case, add or average the 10 second
measurements in 15 minute groups once youre backfilling data older than
5 days).

Are you writing to carbon or directly to the whisper files using
whisper-update.py? If you're going through carbon and the setup happens
to be busy, you could have metrics that are sitting in the cache for a
few minutes. If you check the metrics through the web interface, it'll
grab from the cache as well as disk and may be a better verifier.

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