Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/11919#discussion_r60913012
--- Diff: mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
---
@@ -656,13 +656,15 @@ object ALS extends DefaultParamsReadable[ALS] with
Logging {
previousItemFactors.unpersist()
itemFactors.setName(s"itemFactors-$iter").persist(intermediateRDDStorageLevel)
// TODO: Generalize PeriodicGraphCheckpointer and use it here.
+ val deps = itemFactors.dependencies
--- End diff --
really minor, but let's move this a line down under `if
(shouldCheckpoint(iter)) { `, just to match the explicit case below
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