You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "zhengruifeng (Jira)" <ji...@apache.org> on 2020/09/27 01:36:00 UTC
[jira] [Resolved] (SPARK-32974) FeatureHasher transform
optimization
[ https://issues.apache.org/jira/browse/SPARK-32974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
zhengruifeng resolved SPARK-32974.
----------------------------------
Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 29850
[https://github.com/apache/spark/pull/29850]
> 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: zhengruifeng
> Priority: Minor
> Fix For: 3.1.0
>
>
> 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: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org