Deirdre Kong created FLINK-10276:
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Summary: Job Manager and Task Manager Metrics Reporter Ports
Configuration
Key: FLINK-10276
URL: https://issues.apache.org/jira/browse/FLINK-10276
Project: Flink
Issue Type: New Feature
Components: Core
Reporter: Deirdre Kong
*Problem Statement:*
When deploying Flink using YARN, the job manager and task manager can be on the
same node or different nodes. Say I specify the port range to be 9249-9250, if
JM and TM are deployed on the same node, the port for JM will be 9249 and the
port for TM will be 9250. If JM and TM are deployed on different nodes, then
the ports for JM and TM will be 9249.
I can only configure Prometheus once for the ports to scrape JM and TMs
metrics. In this case, I won't know whether port 9249 is for JM or TM. If
would be great if we can specify in flink-conf.yaml on the port we want for JM
reporter and TMs reporter.
*Comment from Till:*
I think we could extend Vino's proposal for Yarn as well: Maybe it makes sense
to allow to override certain configuration settings for the TaskManagers when
deploying on Yarn. That way one could define a fixed port for the JM and a port
range for the TMs. Having such a distinction you can configure your Prometheus
to scrape for the single JM and the TMs individually. However, Flink does not
yet support such a feature. You can open a JIRA issue to track the problem.
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