When optimizing the storage layer performance of Huawei flash storage, cache-related policies and configurations will be involved. Which of the following descriptions about cache high and low water…

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• AGenerally, the high water mark in the cache should not be too high, and the distance between the
• BIf the high water mark in the cache is set too high, it will affect the write performance. If the low
• CNormally, the low water mark for storing dirty data in the cache should not be too low. 20% is
• DIf the cache high water mark is set too high, when the front-end I/O traffic increases suddenly, I/O

• A
  6% (1)
• B
  72% (13)
• C
  6% (1)
• D
  17% (3)

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