Chapter 12. Monitoring and Auditing

"If you can't measure it, you can't improve it"

- Lord Kelvin

Imagine a situation where you have architected a solution that is deployed over the cloud as well as on an on-premise data center, consisting of multiple services such as IaaS and PaaS, multi-tier, multi-layer application components. It is based on a highly optimized architecture in terms of availability, scalability, security, performance and more. It is in production now. Now, also imagine that there is no monitoring facility baked into the solution.

There are a few challenges here, they are as follows:

• The availability, scalability, security, and reliability of the solution is not known at any point of time.
• The operations team has no clue about whether the solution is working as expected or not until the users and customers start calling them.
• The performance of the solution degrades over time but the team does not have the current performance metrics to compare to anything.
• Solution and operations...