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After going active-active across two regions, orders disagree between them. What broke, and how is this done properly?

Active-active replication moves writes but not truth. Last-writer-wins quietly discards one of the two orders your finance team expects both to exist.

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.

Active-active replication moves writes but not truth. Last-writer-wins quietly discards one of the two orders your finance team expects both to exist.

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