Answer-first summary for fast verification
Answer: Recommend solid-state drives (SSD).
For a read-intensive database that requires low-latency real-time performance, such as a user-facing dashboard, solid-state drives (SSD) are the optimal storage type. SSDs provide faster read speeds compared to hard disk drives (HDD), which is crucial for maintaining low latency in real-time applications. Splitting the Bigtable instance into two instances (option B) is not directly related to the storage type and may not necessarily improve read performance. Mixed storage types (option D) could complicate the architecture without providing clear benefits for a read-intensive scenario. Therefore, the best recommendation is to use SSDs for their superior read performance.
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What is the best storage type to recommend for a read-intensive Bigtable database powering a low-latency real-time dashboard in a user-facing application?
A
Recommend solid-state drives (SSD).
B
Recommend splitting the Bigtable instance into two instances in order to load balance the concurrent reads.
C
Recommend hard disk drives (HDD).
D
Recommend mixed storage types.