Monday, April 27, 2020

Amazon S3




Simple Storage Service


      • Files can be stored and retrieved from  anywhere on the web .

      • Used for live streaming . Netflix, Hotstar use it for hosting.


      • Used for content distribution , big data analytics , backup etc .


      • Files are stored in buckets , a max of 100 buckets can be created by a developer .
      • Replica of the file is available in 3 different Availability Zones , all in the same region . AWS also supports cross region replication which can be configured manually .
      • Supports periodic automatic archival/deletion , using lifecycle rules.

Storage class
Standard available in 3 availability zone
Glacier : cold data.
Archival data ..
Glacier deep
Long data retention

Requester pays
The one who download pays

Object lifecycle management
Move file automatically to glacier after 50 days
Cannot move back from glacier to S3 via lifecycle

Retreival options

EFS : multiple EC2 share same storage .
Nfs : network file system.

Snowball.
Hardware device to migrate a data .
Like a briefcase .
Device will be shipped.

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