S3- simple storage service.
It is object based storage.
Files in S3 are stored in buckets. Buckets can be consider as just like folder.
- S3 is a universal namespace.That is, names must be unique globally.
ex: if i took S3 name as naveen, then either i or someone else cannot take naveen again.
- when a upload a file to S3,you will receive a HTTP 200 code if the upload is successful.
Few S3 terms & their significance:
Key - This is simply the name of the object.
Value - This is simply the data and is made up of a sequence of bytes.
Version - for maintaining the versions.
What Amazon S3 guarantees:
- Amazon guarantee 99.9% availablilty.
- Amazon guarantees 99.999999% durability for S3 information.
- Tiered Storage Available
- Lifecycle Management: ex: if the file is older then 30 days move to another tier.
- Versioning.
- MFA supports to delete an object in S3.
S3 storage class:
1.S3 standard.
2.S3 IA - infrequently accessed data.
The data is accessed less frequently. But need rapid access when need.
Lower change the S3 standard.
Need to pay additional retrieval fee
3.S3 one zone: cheapest among all S3.
4.S3 intelligent tiering: using machine learning moves the object to low cost S3.
Eg: some files are not accessed in lost 30 days. So move those objects to S3 one zone.
5.S3 Glacier.
6. S3 Glacier deep archive.
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