Is it necessary to use sections 1-3 and 10 of the consumers in the system?

Sections 1-3 and 10 of consumers in the system are usually related to architectural or design decisions related to load distribution and data processing. The use of such sections depends on the specific task and system requirements. If the system requires parallel data processing or scaling, then allocating multiple consumers helps improve performance and fault tolerance.

For example, in a message processing system (message queue), you can configure multiple consumers for parallel processing of messages from a single queue. The division into 1-3 and 10 consumers may reflect different load scenarios or scaling levels.

Therefore, using such sections is justified if it aligns with the architecture and performance requirements. Otherwise, an excessive number of consumers can complicate the system and lead to resource overuse.