Multi-level cache technology is a key technical capability in Huawei's OceanStorPacific series products and can improve the overall IO performance of the system. Which of the following statements…

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• AWhen reading cache, it usually reads from Memory Trite Cache first. If there is no hit, it reads
• BWhen reading cache, Memory Read Cache will cache pre-fetched data, and SSD Read Cache
• CWhen writing to the cache, data will first be written to the RAM-based Write Cache, and then
• DWhen writing cache, if the data to be written is 500KB, it will be written directly to the HDD

• A
  2% (1)
• B
  5% (2)
• C
  10% (4)
• D
  83% (35)

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