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[Question #659660]: unexpected spikes being reported

 

New question #659660 on Graphite:
https://answers.launchpad.net/graphite/+question/659660

I have an application reporting metrics to statsd every 5 seconds. I expect to see the values plotted in Graphite. They are showing up, but occasionally there is a spike that is not reflected in the data that I log when sending to statsd.

Every 5 seconds I send a number in the range 50-300, reported as a gauge. The data coming out of graphite is usually in that range, but at random intervals it reports a value around 10M. My retention is 30s:1h,1m:2h,10m:1d, with statsd flushing every 10 seconds. The problem is visible in the last 10 minutes, so it is from the finest granularity stored.

I am just starting to use Graphite and expect I have something misconfigured. I am still using the default aggregation settings.

Any suggestion would be appreciated. Obvious configuration problems or pointing out logs to check to see that the data is being received correctly and how it is being aggregated.

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