Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/6713#discussion_r32162816
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/regression/StreamingLinearAlgorithm.scala
---
@@ -83,13 +83,15 @@ abstract class StreamingLinearAlgorithm[
throw new IllegalArgumentException("Model must be initialized before
starting training.")
}
data.foreachRDD { (rdd, time) =>
- model = Some(algorithm.run(rdd, model.get.weights))
- logInfo("Model updated at time %s".format(time.toString))
- val display = model.get.weights.size match {
- case x if x > 100 =>
model.get.weights.toArray.take(100).mkString("[", ",", "...")
- case _ => model.get.weights.toArray.mkString("[", ",", "]")
+ if (!rdd.isEmpty) {
+ model = Some(algorithm.run(rdd, model.get.weights))
+ logInfo(s"Model updated at time ${time.toString}")
--- End diff --
(no need for `toString` here but don't worry about it)
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