alexandre vautier created NIFI-7359:
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Summary: Prometheus always reports several process metrics with
the root group as parent
Key: NIFI-7359
URL: https://issues.apache.org/jira/browse/NIFI-7359
Project: Apache NiFi
Issue Type: Bug
Components: Configuration
Affects Versions: 1.11.4
Reporter: alexandre vautier
* Create a process group A
* Add a process B inside A
* Setup the prometheus report sink
* Look at [http://localhost:9092|http://localhost:9092/]
* Some metrics on the process B have the process group A as parent, other have
the root process group.
Look at file PrometheusMetricsUtil.java, the problem is between lines 441 and
462 variable parentPGId is used instead of parentId. 4 metrics are ok:
TOTAL_BYTES_READ, TOTAL_BYTES_WRITTEN, AMOUNT_THREADS_TOTAL_ACTIVE and
AMOUNT_THREADS_TOTAL_TERMINATED while the others 12 are wrong.
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