High-Availability Websites and Web Applications with AWS

1. High Availability Websites Matt Wood T E C H N O L O G Y E VA N G E L I S T

2. AGENDA High Performance Websites: Part 1 1. Availability 2. Static content 3. Multi-tier applications 4 . Per formance boost 5. Summar y

3. Spectrum of websites

4. Static Dynamic Spectrum of websites

5. Static Dynamic Simple Complex Spectrum of websites

6. Static Dynamic Simple Complex Niche Mass market Spectrum of websites

7. Availability is important

8. Support your customers

9. Support your business

10. However...

11. “ Everything fails all the time ” Werner Vogels, Amazon CTO

12. Infrastructure services can save the day

13. Focus on your stuff

14. Patterns for availability

15. 1. Static content

16. Images Stylesheets Streaming content Assets Video Javascript

17. Templates Images Stylesheets Streaming content Web pages Assets Blog posts Video Javascript PDFs

18. High High redundancy availability Amazon S3 High durability

19. http://s3.amazonaws.com/bucketname/objectid http://bucketname.s3.amazonaws.com/objectid

20. https://s3.amazonaws.com/bucketname/objectid https://bucketname.s3.amazonaws.com/objectid

21. Perfect for asset hosting

22. Perfect for website hosting

23. Let’s see how...

24. aws.amazon.com/console

27. Make everything public

28. index.html Text http://mza.s3.amazon.com/site/index.html

31. https://mza.s3.amazon.com/site/index.html

32. https://mza.s3.amazon.com/site/index.html

33. :(

35. Unfriendly, brittle URL: http://mza.s3.amazonaws.com/s3/index.html

36. S3 websites

37. Root objects

38. Error pages

39. Let’s see how...

41. https://my-website.s3-website-eu-west-1.amazon.com

42. https://my-website.s3-website-eu-west-1.amazon.com

43. Content distribution

44. Increased latency

45. CloudFront Powerful content delivery network

46. Global edge caching + Friendly URLs

47. Let’s see how!

50. d19r58gd5nvk1.cloudfront.net

51. d19r58gd5nvk1.cloudfront.net/site/index.html

52. Update DNS CNAME

53. friendly-example.com/index.html

54. Set CloudFront Default Root Object

55. API or S3 client

56. CloudBerry Explorer API or S3 client Cyberduck

57. amazon_s3.html

58. friendly-example.com

59. friendly-example.com Global DNS CNAME Global Amazon CloudFront Regional Amazon S3 Redundant storage

60. 2. Dynamic or multi-tier content

61. Ruby on Rails PHP Django Perl Dynamic Spring Database Java Data store

62. Blogs E-commerce Gaming Dynamic Productivity Apps Social networks

63. Elastic Multiple capacity instance sizes Amazon EC2 On-demand

64. Mastering Multiple failure availability zones High availability Automation and monitoring

65. H I G H AVA I L A B I L I T Y W I T H E C 2 Single server fail over

66. Elastic IP EC2 instance

67. Elastic IP EC2 instance EBS storage EBS snapshot

71. Cheap, but not ideal

72. Requires monitoring and automation ‘Hot swap’ possible

73. H I G H AVA I L A B I L I T Y W I T H E C 2 Horizontal redundancy

74. Applications with multiple tiers

75. Web servers Application servers Data store

76. Redundancy at each tier

78. Tolerant to instance failure

80. Tolerant to AZ failure

81. eu-west-1 eu-west-2 Web servers Application servers Data store

82. Scale in and out (if you need to)

84. Load balance

85. Elastic Load Balancer Web servers Application servers Data store

86. Let’s take a look!

87. Spin up your stack + Prepare for battle!

89. MySQL server with Amazon RDS

91. Endpoint

92. Conﬁgure app + cut an AMI

93. Create Image

94. Spin up horizontal layer

99. http://ec2-46-137-20-114.eu-west-1.compute.amazonaws.com

100. http://ec2-46-137-20-114.eu-west-1.compute.amazonaws.com

101. Load balance

102. Elastic Load Balancer Web servers Amazon RDS

109. Elastic Load Balancer Web servers Amazon RDS

110. Multiple AZ deployment

111. Elastic Load Balancer eu-west-1a eu-west-1b Web servers Amazon RDS

112. eu-west-1b

113. eu-west-1b

115. eu-west-1a

116. eu-west-1b

117. Elastic Load Balancer eu-west-1a eu-west-1b Web servers Amazon RDS

118. Recovery from failure

119. Autohealing & autoscaling

120. ELB CloudWatch Autoscaling

121. Elastic Load Balancer Autoscaling group Metrics CloudWatch

122. Elastic Load Balancer Autoscaling group Metrics CloudWatch

123. Elastic Load Balancer Autoscaling group Metrics CloudWatch Autoscaling service

126. as-create-launch-config PHPLaunchConfig --image-id ami-132216677 --instance-type m1.large --key amazon-web --group "Web and SSH"

127. as-create-auto-scaling-group PHPScalingGroup --launch-configuration PHPLaunchConfig --availability-zones eu-west-1a, eu-west-1b --min-size 10 --max-size 10 --load-balancers lamp-load-balancer

128. as-create-or-update-trigger CPUUtlization DiskReadBytes DiskReadOps DiskWriteBytes DiskWriteOps NetworkIn NetworkOut DatabaseConnections FreeStorageSpace ReadLatency ReadThroughput SwapUsage WriteLatency

129. Automation

130. Custom AMIs

131. CloudFormation

132. Bootstrap

133. Conﬁguration management

134. Elastic Load Balancer eu-west-1a eu-west-1b Auto-scaling web servers Amazon RDS

135. Elastic Load Balancer eu-west-1a eu-west-1b Auto-scaling web servers MySQL Amazon RDS

136. Extra I G H A V A I L A B I L I T Y W I T H E C 2 H credit! Performance

137. Horizontal layers are ﬂexible

138. Add caching

139. HTTP cache Web servers Application servers Data cache Data store

140. HTTP cache Web servers Application servers Data cache Data store

141. Varnish: HTTP reverse proxy

142. Memcached: key/value store

143. May require application refactor

144. Custom metrics

145. AGENDA High Performance Websites 1. Availability 2. Static content 3. Multi-tier applications 4 . Per formance boost 5. Summar y

146. Importance of high availability

147. Hosting assets on Amazon S3

148. Content distribution with Amazon CloudFront

149. Hosting static web content on S3 and CloudFront

150. Web applications on Amazon EC2

151. Designing for availability

152. Multi-tier application hosting

153. Database management with Amazon RDS

154. Slides + video available soon

155. Thank you!

156. Q U E S T I O N S + C O M M E N T S matthew@amazon.com @mza O N T W I T T E R

High-Availability Websites and Web Applications with AWS

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