A company runs a high-traffic processing service on a small set of servers. They plan to introduce new code and dependencies on existing systems to reduce expenses and hardware needs instead of creating parallel infrastructure. Which approach is described?
In place approach that updates the original systems without building a separate setup
Duplicating the entire environment and directing activity to the new version
Gradually introducing updated modules to small segments of live traffic
Splitting the environment into slices and replacing them one after another
Applying the update to the servers without creating parallel environments is the correct approach. It replaces the existing code and resources directly, which limits overhead by reusing systems already in service. Other approaches mention new environments or phased redirects, which differ from directly modifying a live setup. For example, blue-green methods create a secondary environment and canary moves a small traffic subset first while rolling gradually increases updated instances.
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