S3
S3 (Storage)
Storage platform. Unlimited storage "bucket". PRICING
long term storage
mass storage
Select the region for the bucket which is closest to data consumers => increase a speed.
Bucket
Folder
Object
S3 naming conventions:
Bucket names must be unique across all AWS accounts
3-63 chars length, lowercase, numbers and hyphen
name must not be formatted as IP address (192.168.2.5)
Storage classes
This is a classification assigned to each Object in S3
Standard
most expensive class
general all-purpose storage
default storage option
99.999999999 object durability (eleven nines)
99.99% object availability
Standard Infrequent Access (Standard_IA)
designed for objects that you do not access frequently, but must be immediately available when accessed
eleven nines object durability
99.90% object availability
less expensive than Standard
One Zone Infrequent Access (OneZone_IA)
Designed for non-critical, reproducible objects
eleven nines object durability in a single Availability zone
99.5% object availability
less expensive than two above
Glacier
long term archival storage
may take several hours for objects to be retrieved
eleven nines object durability
cheapest (very low cost)
Object Durability
% that the file will not be lost in a year
Object Availability
% that the file will be accessible over a year
Object lifecycle
This is a set of rules which may automatically change storage class for the Object
S3 permissions
Permissions to view, access and use specific buckets and objects.
Object versioning
Keeps track and stores all versions of an object => you can access an older version
Versioning is either ON or OFF
if (ON) => you can only suspend versioning. It cannot be OFF.
suspended versioning: you prevent only versioning going forward
all previous versions are remain in the storage
versioning can only be set to the bucket level => applies to all objects in the bucket
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