Database sharding for PostgreSQL/MySQL with hash/range/directory strategies. Use for horizontal scaling, multi-tenant isolation, billions of records, or encountering wrong shard keys, hotspots, cross-shard transactions, rebalancing issues.
92
92%
Does it follow best practices?
Impact
92%
1.17xAverage score across 3 eval scenarios
Passed
No known issues
Scanned
90d6bd7
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