How does CompletableFuture Composition change at 10× traffic?

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Use the parent topic “CompletableFuture Composition” as context. Cover testing approach, production metrics, or scale impact as asked — then refine with AI Mentor below.

Parent context — CompletableFuture Composition

Mitigate first, then root-cause. Check symptoms against: Blocking get() on async chain in request thread; lost exceptions without handle..

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