[
https://issues.apache.org/jira/browse/SPARK-32974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Apache Spark reassigned SPARK-32974:
------------------------------------
Assignee: Apache Spark
> FeatureHasher transform optimization
> ------------------------------------
>
> Key: SPARK-32974
> URL: https://issues.apache.org/jira/browse/SPARK-32974
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.1.0
> Reporter: zhengruifeng
> Assignee: Apache Spark
> Priority: Minor
>
> for a numerical column, its output index is a hash of its col_name, we can
> pre-compute it at first, instead of computing it on each row.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
