AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A financial services company is using a transactional database on AWS. The database is critical for their daily operations, involving a high volume of read and write operations with stringent latency requirements. The workload exhibits predictable patterns of increased activity at the end of each month due to reporting processes. Considering these factors, which storage configuration should the Solutions Architect recommend for the database to maintain consistent and reliable performance?
For a workload requiring high throughput and low latency with predictable traffic patterns, such as end-of-month reporting in financial databases, the ideal choice is Provisioned IOPS SSD (io2). This option allows for the specification of performance independently of storage size, and it provides a consistent baseline of performance which can handle the high volume of operations characteristic of the described scenario. General Purpose SSD (gp2) volumes are a cost-effective storage option that offers a baseline performance level and the ability to burst to higher levels of throughput for short durations. However, the gp2 volume type does not guarantee the same level of consistent performance provided by Provisioned IOPS SSD (io2), especially during constant high-load periods. In contrast, Magnetic storage is aimed more at workloads where data is less frequently accessed, and would not fulfill the low-latency requirements of the company's database. Throughput Optimized HDD (st1) is intended for throughput-intensive workloads that perform large, sequential I/O, and is not optimized for transactional workloads that require quick, random access.
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