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https://issues.apache.org/jira/browse/FLINK-5425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-5425.
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Resolution: Abandoned
> JobManager <host> replaced by IP in metrics
> -------------------------------------------
>
> Key: FLINK-5425
> URL: https://issues.apache.org/jira/browse/FLINK-5425
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics
> Affects Versions: 1.1.3
> Reporter: Shannon Carey
> Priority: Minor
>
> In metrics at the jobmanager level and below, the "<host>" scope variable is
> being replaced by the IP rather than the hostname. The taskmanager metrics,
> meanwhile, use the host name.
> You can see the job manager behavior at
> https://github.com/apache/flink/blob/a1934255421b97eefd579183e9c7199c43ad1a2c/flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobManagerRunner.java#L147
> compared to TaskManagerLocation#getHostname().
> The problem with this is mainly that due to the presence of "." (period)
> characters in the IP address and thereby the metric name, the metric names
> show up strangely in Graphite/Grafana, where "." is the metric group
> separator.
> If it's not possible to make jobmanager metrics use the hostname, I suggest
> replacing "." with "-" in the <host> section.
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