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Dell-EMC

E20-555 · Question #112

A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that…

The correct answer is A. Add an SSD node tier for metadata to account for at least 2% of RAW capacity. See the full explanation below for the reasoning.

Question

A customer has grown 2 PB in the last year. The cluster performs well most times of the day, but occasionally during the day, the customer notices a decrease in performance. You have been told that tree-deletes' are taking too long and can only be run on weekends. What would you recommend to speed up the tree-deletes'?

Options

  • AAdd an SSD node tier for metadata to account for at least 2% of RAW capacity
  • BUse an A100 node for added CPU performance to help with `tree-deletes.'
  • CAdd 20% more nodes to the cluster to help with degraded performance.
  • DAdd an SSD tier for metadata, ensuring all nodes have SSDs.

How the community answered

(52 responses)
  • A
    79% (41)
  • B
    6% (3)
  • C
    12% (6)
  • D
    4% (2)

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