Question #254304 on Graphite changed:
https://answers.launchpad.net/graphite/+question/254304
Status: Open => Answered
Jason Dixon proposed the following answer:
Your highest precision retention should match your polling frequency.
Because you have a 5s:5m retention level, many of your "buckets" are
being rolled up into the 30s:1h as "none", causing your original data to
be averaged down. I explained some of this here:
http://obfuscurity.com/2012/04/Unhelpful-Graphite-Tip-9
If you're going to continue polling every 30s, then remove that 5s:5m
from your policy and restart your carbon-cache. If your data is all bad
you might as well delete your Whisper files too. Otherwise you'll want
to do a whisper-resize to match your new retention policy.
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