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Posted to dev@nemo.apache.org by GitBox <gi...@apache.org> on 2018/10/30 09:15:28 UTC

[GitHub] taegeonum opened a new pull request #137: [NEMO-232] Implement InputWatermarkManager

taegeonum opened a new pull request #137: [NEMO-232] Implement InputWatermarkManager
URL: https://github.com/apache/incubator-nemo/pull/137
 
 
   JIRA: [NEMO-232: Implement InputWatermarkManager](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-232)
   
   **Major changes:**
   - Tracks the minimum watermark among multiple input streams by creating `InputWatermarkManager` 
   - Emits watermarks from `OutputCollector` to `InputWatermarkManager`. Then `InputWatermarkManager` emits the minimum input watermarks to next operators 
   
   **Minor changes to note:**
   - Create `NextOperatorInfo` to wrap edge index, OperatorVertex, and InputWatermarkManager. 
   
   **Tests for the changes:**
   - Create `InputWatermarkManagerTest` 
   - Add `testMultipleIncomingEdges` to `TaskExecutorTest`
   
   **Other comments:**
   - 
   
   Closes #GITHUB_PR_NUMBER
   

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