public Builder setFlushMaxSize(int flushMaxSize) {
            executionOptionsBuilder.withBatchSize(flushMaxSize);
            return this;
        }
optional, flush max size (includes all append, upsert and delete records), over this
number of records, will flush data.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/jdbc/src/main/java/org/apache/inlong/sort/jdbc/internal/JdbcBatchingOutputFormat.java