public DataPackNode_Basic clone() {
        DataPackNode_Basic newDPN = new DataPackNode_Basic(this.version, this.mode, this.compress);
        newDPN.packType = this.packType;
        newDPN.objCount = this.objCount;
        newDPN.packAddr = this.packAddr;
        newDPN.packSize = this.packSize;
        newDPN.numType = this.numType;
        newDPN.uniformMin = this.uniformMin;
        newDPN.uniformMax = this.uniformMax;
        newDPN.maxObjLen = this.maxObjLen;
        newDPN.compress = this.compress;
        newDPN.indexAddr = this.indexAddr;
        newDPN.indexSize = this.indexSize;
        newDPN.minValue = this.minValue;
        newDPN.maxValue = this.maxValue;
        newDPN.extIndexAddr = this.extIndexAddr;
        newDPN.extIndexSize = this.extIndexSize;
        return newDPN;
    }
The size greater or equal to V6
indexr-segment/src/main/java/io/indexr/segment/pack/DataPackNode_Basic.java