Github user akopich commented on a diff in the pull request:
https://github.com/apache/spark/pull/19565#discussion_r147021726
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAOptimizer.scala ---
@@ -446,14 +445,14 @@ final class OnlineLDAOptimizer extends LDAOptimizer
with Logging {
override private[clustering] def next(): OnlineLDAOptimizer = {
val batch = docs.sample(withReplacement = sampleWithReplacement,
miniBatchFraction,
randomGenerator.nextLong())
- if (batch.isEmpty()) return this
--- End diff --
I believe, it's redundant now. Anyway, `submitMiniBatch` counts the
documents.
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