lindong28 opened a new pull request, #212:
URL: https://github.com/apache/flink-ml/pull/212
## What is the purpose of the change
Minimize the source operator overhead in Flink ML benchmark.
## Brief change log
- Updated RowGenerator to generate row value once and re-use the value for
all emitted rows.
- Renamed RowGenerator#nextRow to RowGenerator#getRow. This is because there
is no order of rows emitted by `nextRow`.
## 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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