[GitHub] [helix] dasahcc opened a new pull request #462: Make State Transition Throttling respect MIN_ACTIVE_REPLICA

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

dasahcc opened a new pull request #462: Make State Transition Throttling respect MIN_ACTIVE_REPLICA
URL: https://github.com/apache/helix/pull/462
 
 
   ### Issues
   
   - [ ] My PR addresses the following Helix issues and references them in the PR description:
   
   Fixes #343 
   
   ### Description
   
   - [ ] Here are some details about my PR, including screenshots of any UI changes:
   
   There are two phases for improving Helix state transition throttling:
   1. Respect MIN_ACTIVE_REPLICA
   2. Throttle per replica state transitions.
   
   This commit contains the logic of respecting MIN_ACTIVE_REPLICA in IntermediateCalStage and state transition throttling.
   
   ### Tests
   
   - [ ] The following tests are written for this issue:
   
   - [ ] The following is the result of the "mvn test" command on the appropriate module:
   
   [ERROR] Failures: 
   [ERROR]   TestTaskPerformanceMetrics.testTaskPerformanceMetrics:118 expected:<true> but was:<false>
   [ERROR]   TestGetLastScheduledTaskExecInfo.testGetLastScheduledTaskExecInfo:73 expected:<COMPLETED> but was:<RUNNING>
   [INFO] 
   [ERROR] Tests run: 853, Failures: 2, Errors: 0, Skipped: 0
   
   [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 25.967 s - in TestSuite
   [INFO] 
   [INFO] Results:
   [INFO] 
   [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0
   
   ### Commits
   
   - [ ] 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](http://chris.beams.io/posts/git-commit/)":
     1. Subject is separated from body by a blank line
     1. Subject is limited to 50 characters (not including Jira issue reference)
     1. Subject does not end with a period
     1. Subject uses the imperative mood ("add", not "adding")
     1. Body wraps at 72 characters
     1. 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
   
   - [ ] My diff has been formatted using helix-style.xml
   
   

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