雲端服務 AWS 隨手筆記

AWS simple storage service (簡稱 S3) 是 object based storage 不是 block based storage.  

what is S3? https://docs.aws.amazon.com/AmazonS3/latest/dev/Welcome.html

S3 擁有的特性:

1. high scalable and durablity: 11 9's (99.999999999%)

2. provide a simple web interface for store and retrieve data

3. unlimited amount of object you can store on S3

4. very secure and support encryption

5. allow concurrent read and write

6. able to management data by lifecycle management

7. able to host static website

8. cross-region replication

9. support different type of storage: standard storage, infrequent access storage, reduce redundancy storage, glacier

10. for new object PUT - read-after-write consistency , for object overwrite and delete - eventually consistency!!  

S3 best practices: 

1. launch a static website on S3

2. understand bucket policy and ACL

3. understand OAI 

4. understand S3 encryption methods

5. understand bucket and object lifecycle management 

6. understand S3 cost model