[ 
https://issues.apache.org/jira/browse/SPARK-26312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715945#comment-16715945
 ] 

ASF GitHub Bot commented on SPARK-26312:
----------------------------------------

cloud-fan commented on issue #23262: [SPARK-26312][SQL]Replace 
RDDConversions.rowToRowRdd with RowEncoder to improve its conversion performance
URL: https://github.com/apache/spark/pull/23262#issuecomment-446041476
 
 
   yea it didn't work. The PR is not merged. I'll try it later. cc @srowen do 
you hit the same issue? I already switched to gitbox

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


> Converting converters in RDDConversions into arrays to improve their access 
> performance
> ---------------------------------------------------------------------------------------
>
>                 Key: SPARK-26312
>                 URL: https://issues.apache.org/jira/browse/SPARK-26312
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.0
>            Reporter: eaton
>            Priority: Major
>
> `RDDConversions` would get disproportionately slower as the number of columns 
> in the query increased.
> This PR converts the `converters` in `RDDConversions` into arrays to improve 
> their access performance, the type of `converters` before is 
> `scala.collection.immutable.::` which is a subtype of list.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org

Reply via email to