Your Company Is Running Their First Dynamic Campaign, Serving Different

question 89

Multiple Choice

Your company is running their first dynamic campaign, serving different offers by analyzing real-time data during the holiday season. The data scientists are collecting terabytes of data that rapidly grows every hour during their 30-day campaign. They are using Google Cloud Dataflow to preprocess the data and collect the feature (signals) data that is needed for the machine learning model in Google Cloud Bigtable. The team is observing suboptimal performance with reads and writes of their initial load of 10 TB of data. They want to improve this performance while minimizing cost. What should they do?

• A) Redefine the schema by evenly distributing reads and writes across the row space of the table.
• B) The performance issue should be resolved over time as the site of the BigDate cluster is increased.
• C) Redesign the schema to use a single row key to identify values that need to be updated frequently in the cluster.
• D) Redesign the schema to use row keys based on numeric IDs that increase sequentially per user viewing the offers.

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Definitions:

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