A query based on an InfoProvider is split internally into subqueries. These are automatically processed in parallel. You can deactivate parallel processing for a query based on a MultiProvider in the Query Monitor.
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 option Do Not Use Parallel Processing, the selected query is processed sequentially in the future.
You can deactivate parallel processing for MultiProviders on the screen InfoProvider: Edit Properties (transaction code RSDIPROP).