From 3a3d59c9a35035dccbac64602d579d503cb35999 Mon Sep 17 00:00:00 2001
From: Vinod K C <vinod.kc@huawei.com>
Date: Fri, 8 May 2015 14:55:58 +0530
Subject: [PATCH] Reverted removal of validation relativeSD<0.000017

---
 python/pyspark/rdd.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python/pyspark/rdd.py b/python/pyspark/rdd.py
index 42a452fa56907..545c5ad20cb96 100644
--- a/python/pyspark/rdd.py
+++ b/python/pyspark/rdd.py
@@ -2237,6 +2237,8 @@ def countApproxDistinct(self, relativeSD=0.05):
         >>> 16 < n < 24
         True
         """
+        if relativeSD < 0.000017:
+            raise ValueError("relativeSD should be greater than 0.000017")
         # the hash space in Java is 2^32
         hashRDD = self.map(lambda x: portable_hash(x) & 0xFFFFFFFF)
         return hashRDD._to_java_object_rdd().countApproxDistinct(relativeSD)