Which of the following statements about the impact of cache capacity on storage system performance are correct? (Multiple choice)

The correct answer is A. For read services, more cache usually means a higher read hit rate B. For random services, a larger cache usually means better aggregation, which leads to improved D. For write services, more cache means higher write merge rate and write hit rate. See the full explanation below for the reasoning.

Storage Security and Performance Optimization

Question

Options

AFor read services, more cache usually means a higher read hit rate
BFor random services, a larger cache usually means better aggregation, which leads to improved
CFor sequential services, the cache does not need to be large, it only needs to meet the I/O merging
DFor write services, more cache means higher write merge rate and write hit rate.

How the community answered

(26 responses)

A
77% (20)
C
23% (6)

Topics

#cache capacity#read hit rate#write merge rate#storage performance tuning

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