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Scalability and Availability
 

Scalability and Availability

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An introduction to scalability, reliability and DynamoDB on AWS. Slides from the 'Powering games with Amazon Web Services' event in London.

An introduction to scalability, reliability and DynamoDB on AWS. Slides from the 'Powering games with Amazon Web Services' event in London.

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Scalability and Availability Scalability and Availability Presentation Transcript

  • Scalability and Availability
  • Spectrum of games
  • Static Dynamic Spectrum of games
  • Static DynamicSimple Complex Spectrum of games
  • Static DynamicSimple ComplexNiche Mass market Spectrum of games
  • Availability is important
  • However...
  • “Everything fails all the time ” Werner Vogels, Amazon CTO
  • Elasticinfrastructure can help
  • 1. Static content
  • Images Templates DLC Stylesheets Streaming content Webpages Assets Blog posts Textures Video Javascript PDFs
  • Fast delivery
  • Scalable delivery
  • Survive viral lift
  • High Highredundancy availability Amazon S3 High durability
  • Objects in buckets
  • Files in directories
  • http://s3.amazonaws.com/bucketname/objectidhttp://bucketname.s3.amazonaws.com/objectid
  • https://s3.amazonaws.com/bucketname/objectidhttps://bucketname.s3.amazonaws.com/objectid
  • Gb/month
  • 99.999999999% durability
  • Reduced redundancy Lower cost
  • Hosted websites
  • Content distribution
  • CloudFrontPowerful content delivery network
  • On-demand
  • Custom origin
  • 2. Dynamic content
  • Auto-scaling
  • ELBCloudWatch Auto-scaling
  • Scaling group
  • NetworkIn NetworkInScaling group Triggers (Alarms + Policies)
  • Launchconfigurations NetworkIn NetworkIn Scaling group Triggers (Alarms + Policies)
  • Additionalperformance
  • Launchconfigurations NetworkIn NetworkIn Scaling group Triggers (Alarms + Policies)
  • Launchconfigurations NetworkIn NetworkIn Scaling group Triggers (Alarms + Policies)
  • Launchconfigurations NetworkIn NetworkIn Scaling group Triggers (Alarms + Policies)
  • Launchconfigurations NetworkIn NetworkIn Scaling group Triggers (Alarms + Policies)
  • Auto-healing
  • Elastic Load Balancer
  • Databasesare bottleneck
  • Increase instance size Data store Vertical scaling
  • Increase instance number Horizontal scaling
  • Master-masterHorizontal scaling
  • Master-masterMaster- slave Horizontal scaling replication
  • A-G H-L M-Q R-Z Database sharding
  • MySQL Oracle Relational Database Service
  • Synchronous replication eu-west-1a eu-west-1b High availability. Multi-AZ.
  • Asynchronous replication Read replicas
  • Large data volumes
  • Time consuming
  • DynamoDB
  • Perfect fit for internet scale applications
  • Provisioned throughput
  • Single digit millisecond latencies
  • Consistentperformance
  • SSD backed
  • Scale with no downtime
  • Unlimited storage
  • Read unit
  • Write unit
  • Consistent data
  • Inconsistent reads
  • Preset alarms
  • Custom alarms
  • APIs updated
  • Visual Studio and Eclipse integration
  • NoSQL data model
  • Simple Hash Keys
  • Composite keys
  • Query by key
  • Scan to query by attribute
  • Analytics integration
  • Fin.