You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/03/21 08:03:00 UTC
[jira] [Resolved] (SPARK-27185) mapPartition to replace map to
speedUp Dataset's toLocalIterator process
[ https://issues.apache.org/jira/browse/SPARK-27185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-27185.
----------------------------------
Resolution: Invalid
Discussed in https://github.com/apache/spark/pull/24124
> mapPartition to replace map to speedUp Dataset's toLocalIterator process
> ------------------------------------------------------------------------
>
> Key: SPARK-27185
> URL: https://issues.apache.org/jira/browse/SPARK-27185
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0, 2.2.0, 2.3.0, 2.4.0
> Reporter: angerszhu
> Priority: Minor
> Labels: patch, performance
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> In my case, I will use DataSet's toLocalIterator function, and I found that underlying code can be improved,it can be changed from map to mapPartitionsInternal to speed Up the process of decode data to Internal Row
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org