DevOps approach in which the operations team works closely with the developers who wrote the code to identify exactly what can be monitored versus what should actually be reported in the form of alerts or exceptions.
DevOps has a strong focus on ensuring that there is a completely automated way to deploy changes, either in terms of systems configuration or application upgrades.
DevOps is important because it helps prevent mistakes leading to systems glitches and outages that have adversely affected many organizations, often in high-profile incidents that have tarnished the reputation and profitability of the firm.
DevOps engineer is routinely assumed to be an expert in managing complex cloud-based resources.
Developers who wrote the code and have the most specialized knowledge.
Data Centric 