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Motivation for Scalable Systems.md

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Motivation for Scalable Systems.md

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Growth Reasons

  • More connected devices to collect data (IoT, smartphones)
  • Improvements in storage technology allowing larger data storage
  • Changes in the types of data (machine learning, advertising)

Storage Capacity Improvements

  • Punch Card to Tape, to Disk & SSD

Large Scale Systems

  • Search Engines (crawl, index and allow fast search access)
  • Social Networks (interactive data, monetised through advertising)
  • Cloud Providers (provisioning resources on the fly)
  • Content Delivery (pushing content to users quickly - e.g akami, limelight) (Note: Not covered in the course)

See [[Types of Scalable Systems]] and the papers for [[Bigtable]], [[Dynamo]] and [[Spanner]]