Reputation as a Trust Ledger: Stack Overflow's Privilege Architecture
An architecture note on how Stack Overflow uses a reputation ledger and static privilege thresholds to distribute moderation work while resisting gaming.
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An architecture note on how Stack Overflow uses a reputation ledger and static privilege thresholds to distribute moderation work while resisting gaming.
A concise look at the six review queues, their reputation gates, daily limits, audit mechanics, and aging rules, with a worked example of handling a Close Vote task.
Learn how to combine Stack Overflow tags with AND, OR, and exclusion operators to filter questions precisely.
Explains how Stack Overflow uses Elasticsearch to index posts, apply a custom analyzer, combine tag filters with BM25 scoring, and balance latency with freshness.
Stack Overflow scales moderation by distributing specialized review queues to reputation‑gated users, using hidden audits and rate limits to keep quality high without central oversight. Learn how to audit the system yourself with a simple SEDE query.
Learn what triggers Stack Overflow’s duplicate‑suggestion banner, how to test it yourself, and what limits to keep in mind.
A step-by-step diagnostic guide for Stack Overflow tag-synonym problems: cache delays, duplicate entries, locked tags, high-score conflicts, and stale UI, with checks, fixes, and when to escalate.
Tag synonyms on Stack Overflow map variant tags to a single canonical tag, improving search and consistency. Learn how they’re stored, moderated, and how to add your own synonym in this practical guide.
Understand the math behind Stack Overflow's reputation system, from the +10/-2 voting asymmetry to the impact of accepted answers and privilege thresholds.