Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9989#discussion_r45960187
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala ---
@@ -600,12 +600,15 @@ object Word2VecModel extends Loader[Word2VecModel] {
val vectorSize = model.values.head.size
val numWords = model.size
val metadata = compact(render
- (("class" -> classNameV1_0) ~ ("version" -> formatVersionV1_0) ~
- ("vectorSize" -> vectorSize) ~ ("numWords" -> numWords)))
+ (("class" -> classNameV1_0) ~ ("version" -> formatVersionV1_0) ~
+ ("vectorSize" -> vectorSize) ~ ("numWords" -> numWords)))
sc.parallelize(Seq(metadata),
1).saveAsTextFile(Loader.metadataPath(path))
+ val partitionSize = 33554432l //32MB
--- End diff --
`1 << 25`? Can you explain the rationale in a quick comment here, and what
41 comes from?
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