[GitHub] [helix] pkuwm opened a new pull request #517: Add typoed name DataPropagationLatencyGuage as deprecated

[GitBox <gi...@apache.org>]

pkuwm opened a new pull request #517: Add typoed name DataPropagationLatencyGuage as deprecated
URL: https://github.com/apache/helix/pull/517
 
 
   ### Issues
   
   - [x]  My PR addresses the following Helix issues and references them in the PR title:
   #512 
   If we remove the typoed name DataPropagationLatencyGuage, current metrics graph may not see the metric and historical DataPropagationLatencyGuage data may be lost. To solve the problem, we need to add back DataPropagationLatencyGuage and set it as deprecated.
   
   ### Description
   
   - [x]  Here are some details about my PR, including screenshots of any UI changes:
   If we remove the typoed name DataPropagationLatencyGuage, current metrics graph may not see the metric and historical DataPropagationLatencyGuage data may be lost. To solve the problem, we need to add back DataPropagationLatencyGuage and set it as deprecated.
   
   ### Tests
   
   - []  The following tests are written for this issue:
   (List the names of added unit/integration tests)
   
   - [x]  The following is the result of the "mvn test" command on the appropriate module:
   
   Tests running.
   
   
   ### Commits
   
   - [x]  My commits all reference appropriate Apache Helix GitHub issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
   Subject is separated from body by a blank line
   Subject is limited to 50 characters (not including Jira issue reference)
   Subject does not end with a period
   Subject uses the imperative mood ("add", not "adding")
   Body wraps at 72 characters
   Body explains "what" and "why", not "how"
   Documentation
   
     In case of new functionality, my PR adds documentation in the following wiki page:
   (Link the GitHub wiki you added)
   
   ### Code Quality
   
   - [x]  My diff has been formatted using helix-style-intellij.xml

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