Choose what evidence must survive, then price the collection path. A tail policy can only inspect traces that reach it; low SDK sampling changes the guarantee before the collector sees a span.
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Choose what evidence must survive, then price the collection path. A tail policy can only inspect traces that reach it; low SDK sampling changes the guarantee before the collector sees a span.
Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.
Choose what evidence must survive, then price the collection path. A tail policy can only inspect traces that reach it; low SDK sampling changes the guarantee before the collector sees a span.
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