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

    https://github.com/apache/incubator-carbondata/pull/265#discussion_r90399780
  
    --- Diff: 
core/src/main/java/org/apache/carbondata/core/util/CarbonProperties.java ---
    @@ -236,29 +236,57 @@ private void validateHighCardinalityThreshold() {
       }
     
       private void validateHighCardinalityInRowCountPercentage() {
    -    String highcardPercentageStr = carbonProperties.getProperty(
    -        CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE,
    -        
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
    +    String highcardPercentageStr = carbonProperties
    +        
.getProperty(CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE,
    +            
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
         try {
           double highcardPercentage = 
Double.parseDouble(highcardPercentageStr);
    -      if(highcardPercentage <= 0){
    -        LOGGER.info("The percentage of high cardinality in row count value 
\""
    -            + highcardPercentageStr + "\" is invalid. Using the default 
value \""
    -            + 
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
    -        carbonProperties.setProperty(
    -            CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE,
    +      if (highcardPercentage <= 0) {
    +        LOGGER.info(
    +            "The percentage of high cardinality in row count value \"" + 
highcardPercentageStr
    +                + "\" is invalid. Using the default value \""
    +                + 
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
    +        
carbonProperties.setProperty(CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE,
                 
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
           }
         } catch (NumberFormatException e) {
    -      LOGGER.info("The percentage of high cardinality in row count value 
\""
    -          + highcardPercentageStr + "\" is invalid. Using the default 
value \""
    +      LOGGER.info("The percentage of high cardinality in row count value 
\"" + highcardPercentageStr
    +          + "\" is invalid. Using the default value \""
               + 
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
           
carbonProperties.setProperty(CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE,
               
CarbonCommonConstants.HIGH_CARDINALITY_IN_ROW_COUNT_PERCENTAGE_DEFAULT);
         }
       }
     
       /**
    +   * Below method will be used to validate the data file version parameter
    +   * if parameter is invalid current version will be set
    +   */
    +  private void validateCarbonDataFileVersion() {
    +    short carbondataFileVersion = 
CarbonCommonConstants.CARBON_DATA_FILE_CURRENT_VERSION;
    --- End diff --
    
    this initial value is of no use


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