AWS Classroomnotes 23/Nov/2022

Simple Storage Service (S3)

  • Bucket:
    • This is the root for storing objects
    • Bucket name should be dns compliant Refer Here
    • No Two bucket across all AWS accounts can have same name
  • Lets create a bucket and upload a video
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  • the url copied is https://qtvideosnov23.s3.ap-south-2.amazonaws.com/one.mp4 => https://<bucket-name&gt;.s3.<region>.amazonaws.com/<objectname>
  • S3 pricing

    • Data size: 1000 GB
    • Write Operation Count = 10000
    • Read Operation Count = 10000
    • Size Read => 10000
    • S3 Standard
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    • Infrequent access
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    • Glacier
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  • Backup and Archival

    • Backup is meant to recover data from failures quickly (max recovery time should be in hours) => Business Continuity
    • Archival is meant to recover data from disasters and recovery will take time (usually in days) => Disaster Recovery
  • In AWS
    • Glacier is meant for archival
    • S3 can be used for backups.
  • Each Object can be set to Storage Class. Storage class defines the billing w.r.t storage and access costs
  • The only restriction for an object i.e. file is it cannot be greater than 5 TiB

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