In an Internet company's storage system, two services, A and B, are constantly competing for cache and network resources, resulting in longer waiting times for other services. To solve this problem, cache partitioning and flow control techniques need to be configured. Among them, business A is a transaction processing application program, and business B is an analysis and query application program, and it is necessary to ensure that business A responds immediately. Excuse me, how to configure reasonable? (M
A. Configure the QoS priority of A service to be higher than that of B service
B. When configuring the cache partition, the corresponding cache of B service is larger than the corresponding cache of A service
C. Configure the QoS priority of the B service to be higher than that of the A service
D. When configuring the cache partition, the cache corresponding to service A is larger than the cache corresponding to service B