srowen commented on a change in pull request #26454: [SPARK-29818][MLLIB]
Missing persist on RDD
URL: https://github.com/apache/spark/pull/26454#discussion_r344509230
##########
File path:
mllib/src/main/scala/org/apache/spark/ml/evaluation/MultilabelClassificationEvaluator.scala
##########
@@ -96,6 +96,7 @@ class MultilabelClassificationEvaluator (override val uid:
String)
.rdd.map { row =>
(row.getSeq[Double](0).toArray, row.getSeq[Double](1).toArray)
}
+ predictionAndLabels.persist()
Review comment:
Why would persisting here be an advantage? This method doesn't use it more
than once
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
