AMBARI-5350. Ambari should set "hive.optimize.bucketmapjoin.sortedmerge=false" in hive-site.xml (dlysnichenko)

ambari-server/src/main/resources/stacks/HDP/1.3.2/services/HIVE/configuration/hive-site.xml

@@ -168,7 +168,7 @@ limitations under the License.
 
   <property>
     <name>hive.optimize.bucketmapjoin.sortedmerge</name>
-    <value>true</value>
+    <value>false</value>
     <description> If the tables being joined are sorted and bucketized on the join columns, and they have the same number
       of buckets, a sort-merge join can be performed by setting this parameter as true.
     </description>

ambari-server/src/main/resources/stacks/HDP/2.0.6/services/HIVE/configuration/hive-site.xml

@@ -181,7 +181,7 @@ limitations under the License.
 
   <property>
     <name>hive.optimize.bucketmapjoin.sortedmerge</name>
-    <value>true</value>
+    <value>false</value>
     <description> If the tables being joined are sorted and bucketized on the join columns, and they have the same number
     of buckets, a sort-merge join can be performed by setting this parameter as true.
     </description>