Added a comment on the value bound for testing.

xiliu82 · Jun 4, 2014 · f154ea0 · f154ea0
1 parent e367527
commit f154ea0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala b/core/src/test/scala/org/apache/spark/rdd/PairRDDFunctionsSuite.scala
@@ -121,6 +121,8 @@ class PairRDDFunctionsSuite extends FunSuite with SharedSparkContext {
      */
     val p = 20
     val sp = 0
+    // When p = 20, the relative accuracy is about 0.001. So with high probability, the
+    // relative error should be smaller than the threshold 0.005 we use here.
     val relativeSD = 0.01
 
     // For each value i, there are i tuples with first element equal to i.