[FLINK-16338] Log series size in DatadogMetricReporter

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Component/s: Runtime / Metrics
• Assignee: Chesnay Schepler
• Reporter: Chesnay Schepler
• Created: 28/Feb/20 13:46
• Updated: 28/Feb/20 13:48
• Resolved: 28/Feb/20 13:48

Description

For easier debugging of cases where metrics are missing it is useful to log the size of the series (=reported metrics) after reporting.

With this it is easier to determine whether Flink is reporting less metrics than expected.