Amazon EC2 in der Praxis
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Amazon EC2 in der Praxis

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Introduction into Amazon EC2 and tools like Chef presented by Jonathan Weiss at OOP 2011 in Munich.

Introduction into Amazon EC2 and tools like Chef presented by Jonathan Weiss at OOP 2011 in Munich.

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  • 1. Amazon EC2 in der PraxisJonathan Weiss
  • 2. ScalariumAmazon EC2 Cluster Management   Auto-Config   Self-Healing   Auto-Scaling   One-click-deploymentwww.scalarium.com 2
  • 3. 3
  • 4. Amazon Elastic Compute Cloud Virtual Server via API call Pay per hour Different instance types in different regions 4
  • 5. EC2 Features Spot instances Elastic IP Elastic Load Balancing CloudWatch Auto Scaling Virtual Private Cloud  Elastic Block Storage 5
  • 6. Running on EC2Setting up an app 6
  • 7. Running on EC2Steps to complete   Choose region and availability zone   Define architecture   Choose instance types and AMI   Boot & configure instances   Deploy application   …   Profit 7
  • 8. Region and Availability ZoneRegions   Individual EC2 installations   Multiple datacenters a.k.a availability zones   Small differences in pricing   US-east usually gets features firstAvailability Zone   Datacenter of instances & volumes   Differently named for different accounts   Traffic within the same zone is free   Different Instance type availability 8
  • 9. Existing Availability ZonesUS-EAST-1 US-WEST-1 EU-WEST-1 AP-SOUTHEAST-1   us-east-1a   us-west-1a   eu-west-1a   ap-southeast-1a   us-east-1b   us-west-1b   eu-west-1b   ap-southeast-1b   us-east-1c   us-east-1d 9
  • 10. Single AZ DeploymentMost common and simple setupNot very different from typical setup 10
  • 11. Multi AZ Deployment 11
  • 12. Architecture 12
  • 13. Architecture 13
  • 14. Architecture 14
  • 15. Elastic IP  Static, public IP in contrast to instance IP  Associate to any instance (~15s)  Paying when not in use  Use for DNS of load balancer 15
  • 16. Elastic Block Store EBS  Network based block device: 1GB – 1TB  Persistent & redundant  Can be used by one instance at a time  Incremental Snapshots  RAID for better performance 16
  • 17. Elastic Load Balancer ELB  Managed Load Balancer  Auto-Scales via Round Robin DNS  Can start/stop instances  Slower and not as flexible as instance + HAProxyThe only way to scale past 1 Gbit/s! 17
  • 18. Relational Data Store RDS  Managed MySQL instance  Choose instance size, pay ~ 30% premium  Hot-Failover and read replication available  Define a 4h maintenance window  Better performance than single EBS- backed instance 18
  • 19. Instance Types Hourly Cost Monthly Cost RAM Cores x ECU Arch (US-East) (US-East)Micro Tiny 613 MB Burst 1 x 2 32bit/64bit $0.02 $15Standard Small 1.7 GB 1x1 32bit $0.085 $62 Large 7.5 GB 2x2 64bit $0.34 $248 Extra Large 15 GB 4x2 64bit $0.68 $496High-Memory Extra Large 17.1 GB 2 x 3.25 64bit $0.50 $366 Double Extra Large 34.2 GB 4 x 3.25 64bit $1.20 $878 Quadruple Extra Large 68.4 GB 8 x 3.25 64bit $2.40 $1756High-CPU Medium 1.7 GB 2 x 2.5 32bit $0.17 $124 Extra Large 7 GB 8 x 2.5 64bit $0.68 $4961 ECU = 1.0 – 1.2 GHz Opteron/Xeon from 2007 19
  • 20. RecommendationStart with   Small for load balancer   Medium for App server   Large for DB server   Tiny for monitoring and utilityGrow to   XL-HighCPU for load balancer   XL-HighCPU for App server   XL-HighMemory for DB server 20
  • 21. Reserved Instances Pay amount upfront and you get: Hourly price ~ 33% Guaranteed availability 24/7 instance cost: ~ 55% Recommended! 21
  • 22. Running on EC2Steps to complete  Choose region and availability zone  Define architecture  Choose instance types   Boot & configure instances   Deploy application   …   Profit 22
  • 23. Instance ConfigurationFrom blank Linux to your Java/Rails/PHP app server 23
  • 24. Instance Bootstrap 2 Approaches 24
  • 25. Instance Bootstrap 2 Approaches Images   One image for every server type   All software pre-installed   Few moving parts   Fast boot 25
  • 26. Instance Bootstrap 2 Approaches Images Scripted   One image for every server type   One image to rule them all   All software pre-installed   Smallest common denominator   Few moving parts   Acquires configuration on start   Fast boot   Installs & configures during boot process to fit role   All parts moving   Slower boot 26
  • 27. Instance Bootstrap 2 Approaches Images Scripted   One image for every server type   One image to rule them all   All software pre-installed   Smallest common denominator   Few moving parts   Acquires configuration on start   Fast boot   Installs & configures during boot process to fit role   All parts moving   Slow boot 27
  • 28. ChefOpen Source Provisioning Tool   Configures your servers   Cookbooks & recipes   Ruby DSL 28
  • 29. Chef 29
  • 30. Chef Solo 30
  • 31. MemcachedSolo 31
  • 32. Chef Solo Run Configuration JSON Run Chef Solo 32
  • 33. DeployingDeploy resource   Compatible with Capistrano layout   Supports Capistrano hooks via deploy/hook_name.rb   Async! 33
  • 34. Chef Experiences Great so far, but   Not idempotent   Unintuitive 2 phases   Documentation could be better   Example Cookbooks often so so 34
  • 35. Running on EC2Steps to complete  Choose region and availability zone  Define architecture  Choose instance types  Boot & configure instances  Deploy application   …   Profit 35
  • 36. The Project Browser game hosted on EC2 1 million DailyActive Users (DAU) ~ 130 servers ~ 100.000 requests per minute on average
  • 37. Flexibility and Scalability
  • 38. Flexibility and Scalability
  • 39. Q&APeritor GmbHBlücherstr. 22, Hof III Aufgang 610961 BerlinTel.: +49 (0)30 69 20 09 84 0Fax: +49 (0)30 69 20 09 84 9Internet: www.peritor.comE-Mail: info@peritor.com© Peritor GmbH - Alle Rechte vorbehalten