Google App Engine talk as given by Matthew McCullough to the SEAJUG in Seattle Washington.

1. Cloud Computing boot camp
on the Google App Engine
by Matthew McCullough of Ambient Ideas, LLC

2. Twitter
@matthewmccull Matthew
Blog
http://www.ambientideas.com/blog
sidebar has all my social media links
Email
matthewm@ambientideas.com
GitHub
http://github.com/matthewmccullough

3. http://flushirts.spreadshirt.com/us/US/Shop/

4. nd
o u
g r
c k
B a
y &
o r
h e
T
ic e
c t
r a
P

5. ➊

6. 1960

7. “computation may
someday be organized as a
public utility”
-John McCarthy

8. circa 2000

9. “Cloud Computing”
coined

10. “A style of computing in which
dynamically scalable and
often virtualized resources are
provided as a service over the
Internet.”
-Wikipedia

11. “Users need not have knowledge
of, expertise in, or control over the
technology infrastructure in
the "cloud" that supports them.”
-Wikipedia

12. What is the Cloud?

13. Scalable

14. Dynamic

15. Pay-per-use

16. Stateless

17. Affinity-less

18. Scale up

19. Scale down

20. Grid

21. Why the Cloud?

22. Cost of startup

23. Experimentation

24. Transition to
Production

25. No licensing fees

26. Instant availability

27. What’s the most
expensive item on a
startup’s balance sheet?

28. You!

29. Time savings

30. Hardware setup time

31. OS setup time

32. Database setup time

33. Web container setup time

34. Server setup

35. Server destruction

36. Cloud Players

37. From most open to
most constrained

38. Rackspace Cloud Servers
(formerly Mosso)

39. Rackspace Cloud Sites

41. Amazon EC2

43. Mor.ph

45. Google App Engine

47. Levels of
Abstraction

48. Operating System
Images

49. Predetermined

50. or abstracted away

51. Programming
languages?

52. Ruby?

53. Java?

54. PHP?

55. Python?

56. Anything?

57. File Systems

58. Rackspace Cloud
Traditional File System

59. Amazon EC2
S3 Buckets

60. Amazon EC2
Elastic Block Storage

61. Mor.ph
Traditional File System

62. Google App Engine
BigTable

63. Databases

64. Rackspace Cloud
Microsoft SQL Server

65. Rackspace Cloud
MySQL

66. Rackspace Cloud
<any db>

67. Amazon EC2
Simple DB

68. Amazon EC2
IBM DB2

69. Mor.ph
PostgreSQL

70. Mor.ph
MySQL

71. Google App Engine
Big Table

72. Operating
Systems

73. Debian, Fedora, Ubuntu
on Rackspace Cloud

74. Windows Server
on Amazon EC2

75. 1000 variants of Linux
on Amazon EC2

76. CentOS Linux
on Mor.ph

77. Custom Linux
on Google App Engine

78. Pricing

79. Rackspace Cloud

80. 1.5¢ per hour

83. Amazon EC2

85. Mor.ph

87. Fully supported level
$1500/month

88. Mor.ph
Free human inside
specially marked boxes!

89. Google App Engine

90. We’ll give it away free
and make up for it in
volume!

94. ➋

96. Google App Engine

97. April 8th, 2008

98. small company

101. Python!

103. April 7th, 2009

105. Java!

107. But more like

108. Banned
Java

109. Getting Started with
GAE

110. Free to start

111. Cell Phone #

112. Regular Google
Account

113. 10,000: first wave

114. 95 minutes

115. 25,000: second wave

116. Everyone: third wave

117. ➌

118. Technology Stack

119. SDK

121. Shell scripts to manage
apps

122. Source code included

123. SDK-version-locked
by the SDK JARs you
include

124. Subset of JDK 1.6

125. Custom Class Loaders

126. “Sandbox”

127. Whitelist of Classes

128. Caution!

129. Can work on desktop,
not on GAE

130. Application ID

131. Globally Unique

132. required for
deployment

133. xxxxx.appspot.com

134. Servlet API

135. Jetty

136. JSPs

137. Java Mail API

138. Google Web Toolkit

139. Authentication
(2 options)

140. Integration with
Google Accounts

142. Admin & User Level
Permissions

143. Roll your own
(hint: use SpringSecurity)

144. Memcache
(as an alternative to persistent disk storage)

145. Low level API

146. JSR-107 / JCache
(javax.cache)

147. BigTable

148. Relational Database?

149. Relational Database

150. Can import from
existing DB

151. JDO

152. JPA

153. Limited GORM-JPA

154. DataNucleus

156. Logging

157. java.util.logging

158. System.out == info
System.err == warning

159. Log4j

161. a few NOs

162. No Hibernate

163. No file writing

164. No threads

165. No server affinity

166. Even for sequential
requests

167. No sockets

168. But... you can use URLFetch
for HTTP/HTTPS resources

169. No JNI

170. No more than 30s

171. Ouch!

172. Custom
timeout response

174. ❹

175. Admin Console

176. Statistics

177. Graphs of Usage

179. System Health

181. Logs

183. Pay for
large usage

184. Daily Budgets

185. Budget per resource type

186. Dev Tools

187. Eclipse

188. Jetty Demo Container

189. Bundled with
GWT plugin

190. Ant

191. Maven

192. Grails Plugin

193. ❺

194. Ideas & Demos

195. http://appengine.google.com/

196. http://*.appspot.com

197. ❻

198. Ecosphere

199. Hyperic

200. Yup, those guys

201. CloudStatus.com

203. Mor.ph

204. Remember, that layer
on top of EC2?

205. Humans

206. Cloud Fallout

207. Large Setups more
economical to self-host

208. Out of your hands

209. Uptime?

210. Do you trust the
vendor?

211. Persistence can be
weird

212. Give it a try!

213. Resources
• http://mor.ph
• http://appengine.google.com
• http://www.rackspacecloud.com/
cloud_hosting_products/servers
(formerly http://mosso.com)
• http://aws.amazon.com/ec2/