public MongoDBSourceBuilder<T> batchSize(int batchSize) {
        this.configFactory.batchSize(batchSize);
        return this;
    }
batch.size

<p>The cursor batch size. Default: 1024
inlong-sort/sort-flink/sort-flink-v1.15/sort-connectors/mongodb-cdc/src/main/java/org/apache/inlong/sort/mongodb/source/MongoDBSourceBuilder.java