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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/04/17 10:26:25 UTC
[jira] [Assigned] (SPARK-14283) Avoid sort in randomSplit when
possible
[ https://issues.apache.org/jira/browse/SPARK-14283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-14283:
------------------------------------
Assignee: (was: Apache Spark)
> Avoid sort in randomSplit when possible
> ---------------------------------------
>
> Key: SPARK-14283
> URL: https://issues.apache.org/jira/browse/SPARK-14283
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Joseph K. Bradley
>
> Dataset.randomSplit sorts each partition in order to guarantee an ordering and make randomSplit deterministic given the seed. Since randomSplit is used a fair amount in ML, it would be great to avoid the sort when possible.
> Are there cases when it could be avoided?
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