Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/1082#discussion_r14053327
--- Diff:
core/src/main/scala/org/apache/spark/api/java/JavaSparkContext.scala ---
@@ -559,6 +559,19 @@ class JavaSparkContext(val sc: SparkContext) extends
JavaSparkContextVarargsWork
def getLocalProperty(key: String): String = sc.getLocalProperty(key)
/**
+ * Get a set of RDD IDs that have marked themselves as persistent via
cache() call.
+ * Note that this does not necessarily mean the caching or computation
was successful.
+ */
+ def getPersistentRddIds(): java.util.Set[Int] =
+ setAsJavaSet(sc.getPersistentRDDs.keySet)
+
+ /**
+ * Unpersist an RDD from memory and/or disk storage
--- End diff --
Minor: needs to end with a `.`
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