public MySqlSourceConfigFactory splitMetaGroupSize(int splitMetaGroupSize) {
        this.splitMetaGroupSize = splitMetaGroupSize;
        return this;
    }
The group size of split meta, if the meta size exceeds the group size, the meta will be will
be divided into multiple groups.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/mysql-cdc/src/main/java/org/apache/inlong/sort/cdc/mysql/source/config/MySqlSourceConfigFactory.java