Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/7804#discussion_r35921393
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala ---
@@ -184,22 +185,28 @@ object GradientBoostedTrees extends Logging {
false
}
+ // Prepare periodic checkpointers
+ val predErrorCheckpointer = new PeriodicRDDCheckpointer[(Double,
Double)](
+ treeStrategy.getCheckpointInterval, input.sparkContext)
+ val validatePredErrorCheckpointer = new
PeriodicRDDCheckpointer[(Double, Double)](
+ treeStrategy.getCheckpointInterval, input.sparkContext)
+
timer.stop("init")
logDebug("##########")
logDebug("Building tree 0")
logDebug("##########")
- var data = input
--- End diff --
I refactored a little bit so that "data" is not a var. This makes it
clearer that there are only 2 RDDs which need checkpointing.
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