New question #99926 on Graphite:
https://answers.launchpad.net/graphite/+question/99926

I have a weird issue where my graphs have gaps but only when viewing small time 
frames. 

My retention data is the following.

[system]
priority = 100
pattern = ^system
retentions = 2:86400,60:43200,900:350400

I'm running an agent which is nearly identical to the example. It collects data 
twice a second and sends the list every 10 seconds. The agent is local to 
carbon so there is no network delay. I deleted the data from graphite and made 
the schema change before recreating the datapoints, so its not using a 
precreated file's schema.

After letting it run for a few days and coming back to build some graphs I find 
gaps when viewing small time frames which seems to change behavior depending on 
my graph data points. For some graphs its happening when displaying the last 30 
minutes, some are gapping at anything below 150 minutes. They look like dotted 
lines and the more resolution I add the distance between the points gets 
larger. Likewise for looking at smaller amounts of time where the datapoints 
are further apart.

All of these graphs work great though if viewing even a single minute above a 
certain number. Like 167 shows ugly gaps, but anything 168 or higher is 
perfectly smooth. I am not running any transforms ( i am but after removing 
them it still happens) and simply finding this to be annoying since I have such 
precise data yet I can only view 2hrs worth in a graph which smooths out my 
precision.

I'm running the stable release from just a few days ago. (less than 2 weeks)

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