Near Real-Time Index Updates with DocumentDB and OpenSearch

We are evaluating DocumentDB change streams to trigger updates to the OpenSearch index.

The AWS provided architecture is one-minute updates using EventBridge and Lambda. We need faster updates to the index (nearer real time). Is there a way to avoid the one-minute delay with EventBridge?

Reference architecture: https://aws.amazon.com/blogs/database/run-full-text-search-queries-on-amazon-documentdb-data-with-amazon-elasticsearch-service/