XuQianJin-Stars opened a new pull request #10655: [FLINK-15356][metric] Add applicationId to flink metrics running on yarn URL: https://github.com/apache/flink/pull/10655 ## What is the purpose of the change *When sending metrics to Prometheus, these systems have only the Flink job ID, and the Flink job ID is UUID, which cannot be associated with the application job on the yarn. Therefore, we need to increase the applicationId when running on yarn. This helps us to accurately find the corresponding job on yarn when the metric is abnormal.* ## Brief change log - *DefaultDispatcherResourceManagerComponentFactory.java* - *JobManagerMetricGroup.java* - *TaskManagerMetricGroup.java* - *UnregisteredMetricGroups.java* - *ScopeFormat.java* - *MetricUtils.java* - *TaskManagerRunner.java* ## Verifying this change This change is already covered by existing tests. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / no) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / no) - The serializers: (yes / no / don't know) - The runtime per-record code paths (performance sensitive): (yes / no / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / no / don't know) - The S3 file system connector: (yes / no / don't know) ## Documentation - Does this pull request introduce a new feature? (yes / no) - If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
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