[GitHub] [flink] vthinkxie opened a new pull request #10842: [FLINK-15489][web]: add cache control no-cache to log api

[GitBox]

vthinkxie opened a new pull request #10842: [FLINK-15489][web]: add cache 
control no-cache to log api
URL: https://github.com/apache/flink/pull/10842
 
 
   ## What is the purpose of the change
   
   fix https://issues.apache.org/jira/browse/FLINK-14270
   
   ## Brief change log
   
   support more metric display at once
   
   ## Verifying this change
   
     - *Go to the log page*
     - *Click the refresh button*
     - *Check the network panel if the log with no-cache header*
   
   
   before:
   <img width="1022" alt="before" 
src="https://user-images.githubusercontent.com/1506722/72252288-f7674f00-3639-11ea-9861-93157e789082.png";>
   
   
   after:
   <img width="1190" alt="after" 
src="https://user-images.githubusercontent.com/1506722/72252293-fa623f80-3639-11ea-8a8a-049bf09b2677.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? (no)
     - If yes, how is the feature documented? (not documented)
   

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