sanha opened a new pull request #74: [NEMO-141] Make vertices receiving push edge not comply executor slot URL: https://github.com/apache/incubator-nemo/pull/74 JIRA: [NEMO-141: Make vertices receiving push edge not comply executor slot](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-141) **Major changes:** - Make relay vertices added by `SailfishPass` not comply executor slot constraint. - Make `FreeSlotSchedulingConstraint` does not count tasks with `false` slot compliance value while calculating running tasks. **Minor changes to note:** - Make `FreeSlotSchedulingConstraint` be constructed through Tang only. **Tests for the changes:** - `FreeSlotSchedulingConstraintTest` is updated to handle added cases. - Reduced the capacity of the single executor in `testSailfishInOneExecutor` to 2. Because the number of relay tasks receiving push edge is 2, this test does not run without the new features added in this pr. **Other comments:** - I considered to make all vertices that receive any push edge not comply the slot constraint, but decide to not due to a staging issue. If we make the slot compliance value of a single vertex as false, the vertex becomes a single stage because of different execution property. resolves [NEMO-141](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-141)
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