Tips and tricks AWS Solutions Architect Associate #8

ByChristophe

RDS

  • aurora serverless
  • 15 read replicas/3AZ
  • read replicas are not the same as Disaster Recovery
  • Multi AZ is not the same as multi region
  • By default, RDS is not multi AZ
  • multi AZ cross regions does not exist for RDS, only for Aurora
  • it exists aurora endpoint
  • storage autoscaling
  • RDS proxy <=> connection pool
  • maintenance: update stand by, swap standby then primary, failover : interruption for 1-2 min

Dynamo

  • point in time recovery: backup
  • record size : 400 kb
  • stream processing
  • no SQL
  • RCU/RWU
  • index are possible, hierarchical tool
  • DAX  allows to go from milli to micro seconds

Global accelerator

  • UDP
  • blue/green deployment
  • distribute traffic
  • 1 global static IP

Elastic Cache:

Redis (replica, backup, backup, multi AZ), Memcached : multi threaded

CloudFront

  • CloudFront – ALB-EC2
  • signed url, signed cookie
  • < 1 Go
  • Route content

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