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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2020/04/28 02:04:00 UTC
[jira] [Updated] (SPARK-31578) Internal checkSchemaInArrow is
inefficient
[ https://issues.apache.org/jira/browse/SPARK-31578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-31578:
---------------------------------
Affects Version/s: (was: 2.4.5)
3.0.0
> Internal checkSchemaInArrow is inefficient
> ------------------------------------------
>
> Key: SPARK-31578
> URL: https://issues.apache.org/jira/browse/SPARK-31578
> Project: Spark
> Issue Type: Documentation
> Components: R
> Affects Versions: 3.0.0
> Reporter: Michael Chirico
> Priority: Minor
>
> Current implementation is doubly inefficient:
> Repeatedly doing the same (95%) sapply loop
> Doing scalar == on a vector (== should be done over the whole vector for efficiency)
> See existing PR:
> https://github.com/apache/spark/pull/28372
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