public JdbcSourceConfigFactory 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
divided into multiple groups.
inlong-sort/sort-flink/cdc-base/src/main/java/org/apache/inlong/sort/cdc/base/config/JdbcSourceConfigFactory.java