How are your metrics dimensionalized/named? Task managers often have UIDs
generated for them. The task id dimension will change on restart. If you
name your metric based on this 'task_id' there would be a discontinuity
with the old metric.

On Wed, May 30, 2018 at 4:49 PM, Nikolas Davis <nda...@newrelic.com> wrote:

> Howdy,
>
> We are seeing our task manager JVM metrics disappear over time. This last
> time we correlated it to our job crashing and restarting. I wasn't able to
> grab the failing exception to share. Any thoughts?
>
> We track metrics through the MetricReporter interface. As far as I can
> tell this more or less only affects the JVM metrics. I.e. most / all other
> metrics continue reporting fine as the job is automatically restarted.
>
> Nik Davis
> Software Engineer
> New Relic
>

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