[jira] [Created] (FLINK-14812) Add metric libs to Flink classpath with an environment variable.

["Eui Heo (Jira)" <ji...@apache.org>]

Eui Heo created FLINK-14812:
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             Summary: Add metric libs to Flink classpath with an environment variable.
                 Key: FLINK-14812
                 URL: https://issues.apache.org/jira/browse/FLINK-14812
             Project: Flink
          Issue Type: New Feature
          Components: Deployment / Kubernetes
            Reporter: Eui Heo


To use the Flink metric lib you need to add it to the flink classpath. The documentation explains to put the jar file in the lib path.

https://ci.apache.org/projects/flink/flink-docs-stable/monitoring/metrics.html#prometheus-orgapacheflinkmetricsprometheusprometheusreporter

However, to deploy metric-enabled Flinks on a kubernetes cluster, we have the burden of creating and managing another container image. It would be more efficient to add the classpath using environment variables inside the constructFlinkClassPath function in the config.sh file.



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