Spring - mongodb - aggregatie - De 'cursor'-optie is vereist

Uit de documenten.

U kunt batchSize doorgeven met AggregationOptions in Spring Mongo 2.x-versie

Aggregation aggregation = newAggregation(unwind, group).withOptions(newAggregationOptions().cursorBatchSize(100).build());

Met standaard batchgrootte

Aggregation aggregation = newAggregation(unwind, group).withOptions(newAggregationOptions().cursor(new Document()).build());