wonook opened a new pull request #215: [NEMO-373] Optimize with DAG Patterns URL: https://github.com/apache/incubator-nemo/pull/215 JIRA: [NEMO-373: Optimize with DAG Patterns](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-373) **Major changes:** - Adds Pattern metadata to the DB to recognize different patterns - Adds logic to sort execution properties based on the patterns. - Adds the ability to recognize data given based on patterns to make them into the newly learned execution properties. **Minor changes to note:** - Registration of user arguments, which had been missed out by accident. - Adds `toString()` methods to `OperatorVertex` and `SourceVertex` to pretty-print them and to recognize identical source/transforms as equal ones. **Tests for the changes:** - Test added with the DB enabled **Other comments:** -
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