Love Reddy Isireddy
3 min readAug 21, 2024

AWS S3 Numerical Questions ❓

❓What is the maximum size of an individual object that can be uploaded to S3 in a single PUT operation?

Answer: 5 GB

❓What is the maximum size of an S3 object?

Answer: 5 TB

❓How many S3 buckets can you create per AWS account by default?

Answer: 100

❓What is the maximum number of tags you can assign to an S3 bucket?

Answer: 50

❓How many versions of an object can you store in an S3 bucket with versioning enabled?

Answer: Unlimited

❓What is the minimum storage duration for S3 Glacier before you can delete an object?

Answer: 90 days

❓What is the minimum storage duration for S3 Glacier Deep Archive before you can delete an object?

Answer: 180 days

❓What is the maximum number of objects that can be stored in a single S3 bucket?

Answer: Unlimited

❓How long does it take for an S3 bucket policy change to take effect?

Answer: 5 minutes (approximately)

❓How many S3 buckets can you create per region by default?

Answer: 100

❓How many public access settings are available in the S3 console for managing bucket access?

Answer: 4

❓What is the maximum number of lifecycle rules that you can apply to an S3 bucket?

Answer: 1,000

❓What is the maximum number of objects that can be retrieved from S3 using a single ListObjectsV2 API call?

Answer: 1,000

❓What is the maximum size of a single multipart upload part for S3?

Answer: 5 GB

❓How many cross-origin resource sharing (CORS) rules can you configure for an S3 bucket?

Answer: 100

❓How many access control list (ACL) grants can be applied to a single S3 object?

Answer: 100

❓What is the maximum number of encryption keys you can manage per AWS account in S3?

Answer: Unlimited (limited by KMS quotas)

❓What is the maximum number of objects that can be uploaded to S3 in a single multipart upload request?

Answer: 10,000

❓How many seconds does an S3 bucket typically take to become globally available after creation?

Answer: Less than 1 second

❓What is the minimum file size for a multipart upload in S3?

Answer: 5 MB

❓How many total parts can be uploaded during a multipart upload in S3?

Answer: 10,000

❓What is the maximum number of event notifications you can configure per S3 bucket?

Answer: 10

❓What is the minimum size of a Glacier object that is subject to early deletion fees?

Answer: 128 KB

❓How many tags can you apply to each version of an S3 object?

Answer: 10

❓How long does S3 Intelligent-Tiering keep data in the Frequent Access tier before moving it to the Infrequent Access tier?

Answer: 30 days

❓How many IAM policies can you attach to a single S3 bucket?

Answer: Unlimited (limited by IAM policy quotas)

❓How many metadata entries can be stored for a single S3 object?

Answer: Unlimited (limited by the object size)

❓What is the minimum storage size for an object in S3 Standard-Infrequent Access (SIA)?

Answer: 128 KB

❓How many requests per second can S3 support per prefix in a bucket?

Answer: 3,500 for GET/HEAD, 1,000 for PUT/POST/DELETE

❓What is the maximum retention period you can set for S3 Object Lock?

Answer: 99 years

❓How long does S3 retain logs in a CloudTrail trail?

Answer: 90 days by default

❓How many days do you have to restore an object from S3 Glacier before it is automatically deleted?

Answer: 30 days (after restoration)

❓How many rules can you configure in an S3 lifecycle configuration?

Answer: 1,000

❓What is the maximum number of IAM roles that can be used to access a single S3 bucket?

Answer: Unlimited (limited by IAM role quotas)

❓How many S3 Transfer Acceleration endpoints are there globally?

Answer: 19

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Love Reddy Isireddy
Love Reddy Isireddy

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