A proposal for an Apache Cloud Computing Stack. Presented at ApacheCon 2009

1. Application Architecture for the Cloud Steve Loughran Julio Guijarro

2. 8 June 2009

5. This is not a cloud application 8 June 2009 Enterprise Java on Highly Available servers

6. This is not a cloud application: Java EE 8 June 2009

8. 8 June 2009

21. Testing -your first terabyte of data 8 June 2009 Lots of opportunities here! protected void map(Text key, Text test, Context context) throws IOException, InterruptedException { TestResult result = new TestResult(); Class<?> testClass = loadClass(context, test); Test testSuite = JUnitMRUtils.extractTest(testClass); TestSuiteRun tsr = new TestSuiteRun(); result.addListener(tsr); testSuite.run(result); for (SingleTestRun singleTestRun : tsr.getTests()) { context.write(new Text(singleTestRun.name), singleTestRun); } }

22. Testing -the infrastructure can help 8 June 2009 Pseudo-RNG driven cluster configuration

29. Amazon EC2 8 June 2009 Host S3 Storage AMI (Xen VM) AMI (Xen VM) /mnt Host AMI (Xen VM) AMI (Xen VM) Public Internet /mnt /mnt /mnt Fast (free) network free access; slow initial read time pay per GET; per megabyte $ $ $ $ $

30. 8 June 2009