How Walmart Became a Cloud Services Provider with IBM CICS

Operational considerations

This chapter describes operational considerations relating to hosting cloud services on IBM z/OS and IBM CICS Transaction Server for z/OS. The authors share the experience of the Walmart team and demonstrate how Walmart dealt with these challenges.

This chapter includes the following topics:

•6.1, “Capacity planning” on page 60

•6.2, “Scaling and elasticity” on page 61

•6.3, “Metering and measurement” on page 61

•6.4, “Maintenance” on page 63

•6.5, “Problem determination” on page 64

•6.6, “Summary” on page 66

 

6.1 Capacity ...