What are Day 2 operations?
A lot of the dialogue about application lifecycles revolves around design and deployment. The reason for this is simple: It’s impossible to build robust applications without a meticulous design, and it’s impossible for that design to come to life without meticulous execution.
However, there’s a third and equally important aspect of software development and operations that often flies under the radar: the continuous maintenance and optimization of deployed applications, otherwise known as Day-2 operations.
Without solid Day 2 ops, all the hard work of application design and deployment can become undone, and any benefits provided by newly developed and cutting-edge software can be undercut. Conversely, by prioritizing Day 2 operations, DevOps engineers and site reliability engineers (SREs) can guarantee application performance and
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