[
https://issues.apache.org/jira/browse/SPARK-27841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun updated SPARK-27841:
----------------------------------
Affects Version/s: (was: 3.0.0)
3.1.0
> Improve UTF8String fromString()/toString()/numChars() performance when
> strings are ASCII
> ----------------------------------------------------------------------------------------
>
> Key: SPARK-27841
> URL: https://issues.apache.org/jira/browse/SPARK-27841
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Josh Rosen
> Assignee: Josh Rosen
> Priority: Major
>
> UTF8String's fromString(), toString(), and numChars() methods are performance
> hotspots. For strings which consist entirely of ASCII characters we can make
> performance optimizations which significantly reduce memory allocation and
> copying, greatly improving performance for many common workloads.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
