yunfengzhou-hub opened a new pull request, #261:
URL: https://github.com/apache/flink-ml/pull/261
## What is the purpose of the change
This PR fixes the bug that OnlineLogisticRegressionModel has failed to
update its model when a new model data comes in.
The reason this bug was not revealed by UTs is that the scale of test
prediction data is too small (<= 0.5 * numSubtasks). Given that the input data
is distributed evenly among all subtasks, it leads to one subtask only
processing one piece of data, so the updating logic of model data is not fully
verified.
## Brief change log
- Update the model servable so long as a new model data comes in.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
## Documentation
- Does this pull request introduce a new feature? no
- If yes, how is the feature documented? not applicable
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