A media company stores movies in Amazon S3. Each movie is stored in a single video file that ranges from 1 GB to 10 GB in size.
The company must be able to provide the streaming content of a movie within 5 minutes of a user purchase. There is higher demand for movies that are less than 20 years old than for movies that are more than 20 years old. The company wants to minimize hosting service costs based on demand.
Which solution will meet these requirements?
To meet the requirement of providing streaming content within 5 minutes of a user purchase for both newer and older movies, the most efficient approach is to store newer movie video files in S3 Standard, which provides low latency and high throughput performance. For older movies, storing video files in S3 Standard-Infrequent Access (S3 Standard-IA) is suitable since this storage class is designed for data that is accessed less frequently but still needs to be quickly retrievable when necessary. This approach balances cost efficiency for less frequently accessed older films while ensuring that any requested movie can be accessed promptly, meeting the 5-minute access requirement.
Technically, expedited retrieval for files is not guaranteed within 1-5 minutes for files larger than 250 MB+. See https://docs.aws.amazon.com/AmazonS3/latest/userguide/restoring-objects-retrieval-options.html.
S3 Standard-IA is for data that is accessed less frequently, but requires rapid access when needed. S3 Standard-IA offers the high durability, high throughput, and low latency of S3 Standard, with a low per GB storage price and per GB retrieval chargehttps://aws.amazon.com/s3/storage-classes/
"Expedited Retrieval, you can retrieve small amounts of data (up to 250 MB per request) within 1-5 minutes." Cannot C
(A) is eliminated. Demand metric is popularly based & cannot be configured with Lifecycle policies. Ex: an old movie can have resurgent demand 20 years after it's sequel is released. (C) is eliminated. Expedited retrieval is for all but the largest archived objects (250 MB+). (D) is eliminated. Bulk retrieval takes hours. (B) is more expensive than S3 Glacier Flexible Retrieval but it's the only one that works.
Expedited retrievals is typically made available within 1–5 minutes. Each unit of capacity provides that at least three Expedited retrievals can be performed every 5 minutes and provides up to 150 megabytes per second (MBps) of retrieval throughput. There are some limitations but the bottom line is 5 minutes and I believe this leads us to Expedited retrievals. https://docs.aws.amazon.com/amazonglacier/latest/dev/downloading-an-archive-two-steps.html#api-downloading-an-archive-two-steps-retrieval-expedited-capacity
Option C
Option B makes the most sense. Why not option C: 1. This is not an archival use case, the company runs a video streaming service, so objects are still accessed regularly. Accelerated Retrieval is designed for "occasional urgent requests for a subset of archives". 2. The 5 minute timeframe does not apply to items of 250+ MB. 3. Even if the timeframe were valid, it's not guaranteed ("typically") 4. Expedited retrieval is expensive if used frequently ($10.00 per 1,000 requests) - depending on access patterns, this may more than offset the savings in storage costs. https://docs.aws.amazon.com/AmazonS3/latest/userguide/restoring-objects-retrieval-options.html
option B
option A is most correct option B..for moving files to standard IA , it needs to stay in S3 standard for minimum 30 days. option C..expedited retrieval does not necessarily guarantee big size file retrieval in <=5 minutes. option D... is also wrong as it would take time in hours. sam
It is possible to upload directly to standard IA.
All old files should be in--> Glacier Flexible Retrieval takes (1-5 minutes) to retrieve the file. New files should not stay in Standard Storage class forever --> Intelligent-Tiering
A - Cost optimization for > 20-yr-old files is insufficient. B - Good. Although, S3 Standard-IA is still relatively expensive compared to archival classes. C - Glacier Flexible Retrieval may not consistently meet the 5-minute streaming requirement. Could be minutes, could be hours. D - Bulk retrieval typically takes hours, let alone 5 minutes.
this is the reason we choose C as answer! S3 Glacier Flexible Retrieval has option with 5 minutes time called expedited retrieval. S3 Standard-IA do not come with option to retrieve data.... please check ..... https://aws.amazon.com/s3/storage-classes/glacier/
C -> Expedited Retrievals (1-5 minutes) - Intelligent-Tiering cost (cost effective) D -> Bulk retrievals (5-12 hours) A -> does not consider demand patterns B -> It's ok, but "C" is more good fit to access patterns
Expedited Retrievals (1-5 minutes) - Intelligent-Tiering cost
There is something I like about option A. It's the only one that deals with what happens with a movie that goes from "new" to "old". With other options, new movies will be new forever.
I don't think C is an option, S3 Glacier Flexible takes hour to retrieve the data. Option A is actually valid, but the way the option A describe it does not consider "demand patterns based on time" So it should be B
expedited retrieval should not be used in that way as well
Expedited 1-5min and for new files intelligent tier is a good option
A is most correct ✅
I go with C
Expedited Retrievals (1-5 minutes) Intelligent-Tiering cost
Option C
AS the pattern is uncertain- Customer could not, in advance, segregate data, the pattern will be determined on the fly - and with regard of the following S3 feature: S3 Intelligent-Tiering is an additional storage class that provides flexibility for data with unknown or changing access patterns. It automates the movement of your objects between storage classes to optimize cost. C will be the most cost effective for this use case.
More insight: S3 Glacier Flexible Retrieval for the most flexible retrieval options that balance cost with access times ranging from minutes to hours. Your retrieval options permit you to access all the archives you need, when you need them, for one low storage price. This storage class comes with multiple retrieval options: - Expedited retrievals (restore in 1–5 minutes) - Standard retrievals (restore in 3–5 hours) - Bulk retrievals (restore in 5–12 hours). Bulk retrievals are available at no additional charge
C is the correct answer.
S3 Glacier Flexible Retrieval cannot grant the retrieval within 5 minutes even with expedited retrieval. Intellgent-Tiering is for unknow pattern, however, we already know higher demand for movies that are less than 20 years old than for movies that are more than 20 years old.
Glacier flex expedited retrieval takes 1-5 min.
S3 Standard-infrequent Access (S3 Standard-IA) do not come with retrieval options?? https://docs.aws.amazon.com/AmazonS3/latest/userguide/restoring-objects-retrieval-options.html