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Jun 1, 2026 · Databases
Why 10 Million QPS Systems Must Upgrade Auto‑Increment IDs from INT to BIGINT
An INT auto‑increment primary key can exhaust its 2‑31‑1 limit in just 80 days under 10 M QPS, so the article explains how ID consumption is amplified, the high cost of migrating to BIGINT, the single‑point bottleneck of auto‑increment, and compares Snowflake, segment, UUIDv7, and Redis distributed ID solutions.
BIGINTSnowflakeUUID
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