Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/6713#discussion_r31987019
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala
---
@@ -83,18 +83,20 @@ abstract class StreamingLinearAlgorithm[
throw new IllegalArgumentException("Model must be initialized before
starting training.")
}
data.foreachRDD { (rdd, time) =>
- val initialWeights =
- model match {
- case Some(m) =>
- m.weights
+ if (rdd.toLocalIterator.nonEmpty) {
+ val initialWeights =
--- End diff --
Ah, as it happens, I meant to follow up on one change we should have made
yesterday in SPARK-8140 here: you can delete the entire `initialWeights` val
here and replace it in the following line with `m.weights`. It will remove a
warning. Can you pick that up too?
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