Github user ravipesala commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2653#discussion_r212533573
  
    --- Diff: 
processing/src/main/java/org/apache/carbondata/processing/util/CarbonDataProcessorUtil.java
 ---
    @@ -659,9 +659,14 @@ public static boolean 
isRawDataRequired(CarbonDataLoadConfiguration configuratio
        * @return
        */
       public static List<CarbonIterator<Object[]>>[] 
partitionInputReaderIterators(
    -      CarbonIterator<Object[]>[] inputIterators) {
    +      CarbonIterator<Object[]>[] inputIterators, short sdkUserCores) {
         // Get the number of cores configured in property.
    -    int numberOfCores = CarbonProperties.getInstance().getNumberOfCores();
    +    int numberOfCores;
    +    if (sdkUserCores != 0) {
    --- End diff --
    
    check `sdkUserCores>0`


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