sanha opened a new pull request #188: [NEMO-321] Fix the data skew pass metric mismatch URL: https://github.com/apache/incubator-nemo/pull/188 JIRA: [NEMO-321: Fix the data skew pass metric mismatch](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-321) **Major changes:** - Makes `DataSkewRuntimePass` access to the partitioning logic by moving `Partitioner` interface and the implementations from runtime executor to runtime common. - The mismatch between the data metric produced by `MetricCollectionVertex` and the data metric understood by `DataSkewRuntimePass` is caused by the fact that the partitioning logic is hidden from both components. **Minor changes to note:** - Adds an empty edge from every metric aggregation vertex to the next stage (as a control dependency) to delay the next stage's scheduling. At now, the order of these stages' scheduling depends on luck. - Fix the location of `MetricCollection` property. - Remove the `DynamicOptimization` property (not needed). - Re-enable the skewness aware scheduling. **Tests for the changes:** - Existing integration test and unit tests. **Other comments:** - N/A. Closes #188
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