zentol commented on issue #9325: [FLINK-13542][metrics] Update datadog reporter to send metrics if the… URL: https://github.com/apache/flink/pull/9325#issuecomment-518647734 > There might be other scenarios where there are no metrics registered for some time Once a cluster is started this case should never occur, as the cluster is also registering metrics. The only time where it should be possible for no metric to be registered is a brief moment during cluster initialization. This is independent of whether your application is registering metrics or not.
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