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Question 116 - DEA-C01 discussion

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A company is using Amazon Redshift to build a data warehouse solution. The company is loading hundreds of tiles into a tact table that is in a Redshift cluster.

The company wants the data warehouse solution to achieve the greatest possible throughput. The solution must use cluster resources optimally when the company loads data into the tact table.

Which solution will meet these requirements?

A.

Use multiple COPY commands to load the data into the Redshift cluster.

Answers
A.

Use multiple COPY commands to load the data into the Redshift cluster.

B.

Use S3DistCp to load multiple files into Hadoop Distributed File System (HDFS). Use an HDFS connector to ingest the data into the Redshift cluster.

Answers
B.

Use S3DistCp to load multiple files into Hadoop Distributed File System (HDFS). Use an HDFS connector to ingest the data into the Redshift cluster.

C.

Use a number of INSERT statements equal to the number of Redshift cluster nodes. Load the data in parallel into each node.

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C.

Use a number of INSERT statements equal to the number of Redshift cluster nodes. Load the data in parallel into each node.

D.

Use a single COPY command to load the data into the Redshift cluster.

Answers
D.

Use a single COPY command to load the data into the Redshift cluster.

Suggested answer: D

Explanation:

To achieve the highest throughput and efficiently use cluster resources while loading data into an Amazon Redshift cluster, the optimal approach is to use a single COPY command that ingests data in parallel.

Option D: Use a single COPY command to load the data into the Redshift cluster. The COPY command is designed to load data from multiple files in parallel into a Redshift table, using all the cluster nodes to optimize the load process. Redshift is optimized for parallel processing, and a single COPY command can load multiple files at once, maximizing throughput.

Options A, B, and C either involve unnecessary complexity or inefficient approaches, such as using multiple COPY commands or INSERT statements, which are not optimized for bulk loading.

Amazon Redshift COPY Command Documentation

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asked 29/10/2024
Ramesh K
42 questions
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