AWS Certified Developer – Associate 준비 노트 - Limits

LIMITS

S3

- 5T : maximum size of an object

- 5G : can be uploaded in a single PUT

- 100M : consider using Multipart upload capacity

- 100: buckets for an account

- 3~63: length of a bucket name

SQS

- 30s : default visibility timeout

- 256K : maximum message size

- 14day: maximum retention period for messages

- no limit: number of queues

Cloud Formation

- no limit : templates

- 200: stacks

- 60: max parameters in a template

- 60: max outputs in a template

DynamoDB

- 5: global secondary indexs

- 5: local secondary indexs

- no limits: table size

- 256: tables per region

- 400K: item size

- 100: max items returned by BatchGetItem

- 1M: Scan's result size

SWF

- 1 year : workflow execution run for a maximum of ...

- 100: domains

- 10,000: workflow each per domain

- 1,000: OPEN activity tasks per workflow execution

SNS

- 256: maximum length of a topic name

- 10 million: max subscriptions per topic

- 100,000: max topics per account

EC2

- 10G : size limit for Amazon instance store baked AMIs

- 16T : size limit for Amazon EBS baked AMIs

VPC

- 200 : max subnets per VPC

Consistency

S3

- read-after-write: PUTs of new objects

- eventual consistency: overwirites PUTs and DELETEs

DynamoDB

- eventual read consistency: default, 

- strong read consistency: 4KB unit