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https://issues.apache.org/jira/browse/FLINK-7502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218597#comment-16218597
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ASF GitHub Bot commented on FLINK-7502:
---------------------------------------
Github user zentol commented on the issue:
https://github.com/apache/flink/pull/4586
The port conflict detection doesn't appear to be working as intended. I
started a jobmanager and 2 taskmanagers on the same machine, and each reporter
used the same port. Prometheus could only pick up the metrics from the
jobmanager, and the taskmanagers ones were silently ignored.
> PrometheusReporter improvements
> -------------------------------
>
> Key: FLINK-7502
> URL: https://issues.apache.org/jira/browse/FLINK-7502
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Affects Versions: 1.4.0
> Reporter: Maximilian Bode
> Assignee: Maximilian Bode
> Priority: Minor
> Fix For: 1.4.0
>
>
> * do not throw exceptions on metrics being registered for second time
> * allow port ranges for setups where multiple reporters are on same host
> (e.g. one TaskManager and one JobManager)
> * do not use nanohttpd anymore, there is now a minimal http server included
> in [Prometheus JVM client|https://github.com/prometheus/client_java]
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