Not Using Parallel Processing
A query based on an InfoProvider is split internally into subqueries. These are automatically processed in parallel. You can use this property to switch off parallel processing for a query.
Use
In most cases, parallel processing of subqueries improves performance. In certain cases however, sequential processing can achieve the best improvements in query performance:
If you choose the Do Not Use Parallel Processing property, the selected query will be processed sequentially from now on.