[GitHub] [flink] vthinkxie opened a new pull request #13786: [FLINK-19764] Add More Metrics to TaskManager in Web UI

[GitBox]

vthinkxie opened a new pull request #13786:
URL: https://github.com/apache/flink/pull/13786


   ## What is the purpose of the change
   
   ref https://issues.apache.org/jira/browse/FLINK-19764
   
   ## Brief change log
   
   Add More Metrics to TaskManager in Web UI
   
   
   ## Verifying this change
   
   - visit the TM metrics page
   - verify if the TM metrics match the document 
https://ci.apache.org/projects/flink/flink-docs-release-1.11/ops/memory/mem_setup_tm.html
   
   before:
   
   
![image](https://user-images.githubusercontent.com/1506722/97127179-e1afba00-1773-11eb-9f29-adf58aae12ad.png)
   
   after:
   
   
![image](https://user-images.githubusercontent.com/1506722/97127192-e8d6c800-1773-11eb-8b0d-2a4fd83a1db5.png)
   
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: (no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (yes)
     - If yes, how is the feature documented? (no needed)
   


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