Kotaro Terada created NIFI-6715:
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Summary: Metrics of removed/renamed components continues to remain
in PrometheusReportingTask
Key: NIFI-6715
URL: https://issues.apache.org/jira/browse/NIFI-6715
Project: Apache NiFi
Issue Type: Bug
Reporter: Kotaro Terada
Assignee: Kotaro Terada
When using PrometheusReportingTask, metrics of removed/renamed components
continues to remain after removing/renaming them completely in the NiFi UI.
This is supposed to happen because PrometheusReportingTask adds an incremental
difference into the Prometheus' collector. To deal with it, we could clear all
collectors before returning the metrics.
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