Question

My current retention rule is like so:

[whatever]
priority = 110
pattern = ^stats\.whatever\..*
retentions = 60:10080,600:262974

If I understand correctly, this will save 2 days of 1 minute data and 5 years of ten minute data.

I have been sending data to graphite for the last couple of hours and I can see the a graph of this data but only for ranges less than 7 hours. If I try to visualize this data for a range of, for example, 1 day, the resulting graph doesn’t show a single data point.

Is this caused by my retention rule?

thanks in advance.

Answer 1

I had a similar problem; for me it wasn’t the retention rules, but the aggregation rules. By default, my counters were being assigned to --agggregationMethod average and -xFilesFactor 0.5. But my data was nowhere near that dense, so the aggregator was throwing away my data on the grounds that there wasn’t a statistically significant sample available.

In my particular use case, I was interested in the peak value over some time period, so I used whisper-resize.py to reconfigure my database: --aggregationMethod max, --xFilesFactor 0.0 gave me the behavior I was expecting.

See also storage-aggregation.conf