The following figure shows the configuration of HDFS hierarchical storage. If the number of copies of the block is 4, which of the following statements is wrong?

Question

Options

• AAll 4 blocks will be written to RAM_DISK
• BIf writing to other replicas other than the first replica fails, try to write to the storage type specified
• CThe first block copy will be written to RAM_DISK, and the remaining copies will be written to DISK
• DIf the first block copy fails to write to RAM_DISK, try to write to the storage type specified in the

• A
  84% (32)
• B
  5% (2)
• C
  8% (3)
• D
  3% (1)

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