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

    https://github.com/apache/carbondata/pull/2379#discussion_r196636059
  
    --- Diff: 
core/src/main/java/org/apache/carbondata/core/datastore/page/VarLengthColumnPageBase.java
 ---
    @@ -289,6 +289,12 @@ public void putDouble(int rowId, double value) {
     
       @Override
       public void putBytes(int rowId, byte[] bytes) {
    +    // rowId * 4 represents the length of L in LV
    +    if (bytes.length > (Integer.MAX_VALUE - totalLength - rowId * 4)) {
    --- End diff --
    
    I come across a new idea:
    During parsing/converting, we can calculate #numberOfRowsPerPage * 
#currentCharacterLength, if it is larger than 2GB, dataload will fail.
    Notice that the #numberOfRowsPerPage is specified by user through 
configurations.
    
    If this is OK, I'll implementation in the future not this PR.


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