Nico Kruber created FLINK-12987:
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Summary: DescriptiveStatisticsHistogram#getCount does not return
the number of elements seen
Key: FLINK-12987
URL: https://issues.apache.org/jira/browse/FLINK-12987
Project: Flink
Issue Type: Bug
Components: Runtime / Metrics
Affects Versions: 1.8.0, 1.7.2, 1.6.4
Reporter: Nico Kruber
Assignee: Nico Kruber
{{DescriptiveStatisticsHistogram#getCount()}} returns the number of elements in
the current window and not the number of total elements seen over time. In
contrast, {{DropwizardHistogramWrapper}} does this correctly.
We should unify the behaviour and add a unit test for it (there is no generic
histogram test yet).
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