You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/04/23 01:17:13 UTC
[jira] [Commented] (SPARK-14863) Cache TreeNode's hashCode
[ https://issues.apache.org/jira/browse/SPARK-14863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15254878#comment-15254878 ]
Apache Spark commented on SPARK-14863:
--------------------------------------
User 'JoshRosen' has created a pull request for this issue:
https://github.com/apache/spark/pull/12626
> Cache TreeNode's hashCode
> -------------------------
>
> Key: SPARK-14863
> URL: https://issues.apache.org/jira/browse/SPARK-14863
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Josh Rosen
> Assignee: Josh Rosen
>
> Caching TreeNode's hashCode can lead to orders-of-magnitude performance improvement in certain optimizer rules when operating on data with huge/complex schemas.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org