You have created a web application that saves all data in Amazon S3 buckets.
If you have created 3 prefixes in an S3 bucket, what will be the PUT & GET read performance you will get per second?
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A. B. C. D.Correct Answer - D.
Amazon S3 provides 3,500 PUT requests per second per prefix in a bucket & 5,500 GET requests per second per prefix in a bucket.
So, for 3 prefixes, the S3 bucket will support 10,500 PUT, and 16,500 GET requests per second.
Option A is incorrect as 3,500 PUT and 5,500 GET requests per second are provided for each prefix.
Option B is incorrect as 7,000 PUT and 11,000 GET requests per second will be provided for 2 prefixes & not for 3 prefixes.
Option C is incorrect as for 3 prefixes, performance which you will get is 10,500 PUT, and 16,500 GET requests per second& not 10,500 GET and 16,500 PUT requests per second.
For more information on PUT & GET performance with Amazon S3 bucket, refer to the following URL-
https://docs.aws.amazon.com/AmazonS3/latest/dev/PerformanceOptimization.htmlTo understand the answer to this question, we need to consider the S3 performance characteristics related to PUT and GET requests.
Amazon S3 provides an eventually consistent model for both PUT and GET requests. This means that while data is replicated across multiple storage nodes, it may take some time for all nodes to receive the latest updates. As a result, there may be some inconsistencies between the data stored on different nodes, which can impact performance.
The performance of S3 depends on several factors, including the object size, the number of objects in a bucket, the request rate, and the distribution of objects across prefixes.
A prefix is a string that defines a virtual subdirectory within a bucket. For example, if you have a bucket named "my-bucket" and create a prefix called "images/", objects with the key "images/image1.jpg" and "images/image2.jpg" would be stored in the "images" virtual subdirectory.
When you have multiple prefixes in a bucket, the request rate is distributed across the prefixes. This means that the more prefixes you have, the higher the overall request rate that S3 can handle.
Now, let's look at the answer choices:
A. 3,500 PUT and 5,500 GET requests per second. B. 7,000 PUT and 11,000 GET requests per second. C. 10,500 GET and 16,500 PUT requests per second. D. 10,500 PUT and 16,500 GET requests per second.
Answer A assumes that the overall request rate for the bucket is 9,000 requests per second (3,000 PUTs and 6,000 GETs). This means that each prefix would receive an equal share of the request rate (3,000/3 prefixes = 1,000 requests per second per prefix for PUT requests and 2,000 requests per second per prefix for GET requests). However, this assumption is incorrect since the question doesn't specify how many PUT and GET requests are made for each prefix.
Answer B assumes that the overall request rate for the bucket is 18,000 requests per second (6,000 PUTs and 12,000 GETs). This means that each prefix would receive an equal share of the request rate (6,000/3 prefixes = 2,000 requests per second per prefix for PUT requests and 4,000 requests per second per prefix for GET requests). This is a plausible answer, but we need to consider the other options.
Answer C assumes that the overall request rate for the bucket is 27,000 requests per second (16,500 PUTs and 10,500 GETs). This means that the bucket has a higher request rate for PUT requests than GET requests. However, this is also incorrect since the question states that all data is saved in S3 buckets, and there is no reason to assume that there will be a higher request rate for PUTs than GETs.
Answer D assumes that the overall request rate for the bucket is 27,000 requests per second (10,500 PUTs and 16,500 GETs). This means that the bucket has a higher request rate for GET requests than PUT requests, which is a plausible assumption. Each prefix would receive an equal share of the request rate (10,500/3 prefixes = 3,500 requests per second per prefix for PUT requests and 5,500 requests per second per prefix for GET requests). Therefore, the correct answer is D.
In summary, the answer to the question is D, which assumes an overall request rate of 27,000 requests per second, with 10,500 PUTs and 16,500 GETs per second, resulting in a performance of 3,500 PUTs and 5,500 GET