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https://issues.apache.org/jira/browse/FLINK-32545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17744069#comment-17744069
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Dong Lin commented on FLINK-32545:
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Merged to apache/flink-ml master branch ba327b081878da5a746f1b14ec4d22ec9cc9d8d3
> Improves the performance by optimizing row operations
> -----------------------------------------------------
>
> Key: FLINK-32545
> URL: https://issues.apache.org/jira/browse/FLINK-32545
> Project: Flink
> Issue Type: Improvement
> Components: Library / Machine Learning
> Reporter: Jiang Xin
> Assignee: Jiang Xin
> Priority: Major
> Labels: pull-request-available
> Fix For: ml-2.4.0
>
>
> Currently, dozens of algorithms in Flink ML contain code like `Row.join(row,
> Row.of(...))` which is expensive. We should avoid creating Rows multiple
> times.
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