database-sharding

SKILL.md

Implement horizontal data partitioning across multiple database servers. Covers sharding strategies, consistent hashing, shard key selection, and cross-shard querying patterns.

❌ Don't use non-stable values as shard keys ❌ Don't forget to include shard key in all queries ❌ Don't overlook cross-shard query complexity ❌ Don't ignore uneven shard distribution ❌ Don't miss distributed transaction challenges

✅ DO validate shard key at insertion ✅ DO monitor shard balance regularly ✅ DO plan for shard rebalancing ✅ DO test cross-shard operations thoroughly ✅ DO document shard mapping clearly

수평적 확장성을 위해 데이터베이스 샤딩을 구현합니다. 대규모 데이터베이스를 확장하거나 여러 서버에 데이터를 분산하거나 분할된 아키텍처를 설계할 때 사용합니다. 출처: aj-geddes/useful-ai-prompts.

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