Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/22784#discussion_r228713878
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/feature/PCASuite.scala ---
@@ -54,4 +55,14 @@ class PCASuite extends SparkFunSuite with
MLlibTestSparkContext {
// check overflowing
assert(PCAUtil.memoryCost(40000, 60000) > Int.MaxValue)
}
+
+ test("number of features more than 65500") {
--- End diff --
65535?
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