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vectors × 6 KB each = 30 TB (too large for one node)","originalText":"5B vectors × 6 KB each = 30 TB (too large for one 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A: Shard by knowledge_base_id (tenant)\nEach tenant's vectors on dedicated shard(s)\nNatural isolation\nNo cross-shard queries\nUneven shard sizes (some tenants much larger)","originalText":"Option A: Shard by knowledge_base_id (tenant)\nEach tenant's vectors on dedicated shard(s)\nNatural isolation\nNo cross-shard queries\nUneven shard sizes (some tenants much 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B: Shard by vector hash (uniform distribution)\nVectors distributed evenly across shards\nEven distribution\nEvery query hits ALL shards (scatter-gather)","originalText":"Option B: Shard by vector hash (uniform distribution)\nVectors distributed evenly across shards\nEven distribution\nEvery query hits ALL shards 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Shard by tenant_id (Option A)\nSmall tenants: co-located on shared shards\nLarge tenants: dedicated shards (auto-split at 10M vectors)\nQueries never cross shard boundaries\n→ Simpler, faster, naturally isolated","originalText":"Recommendation: Shard by tenant_id (Option A)\nSmall tenants: co-located on shared shards\nLarge tenants: dedicated shards (auto-split at 10M vectors)\nQueries never cross shard boundaries\n→ Simpler, faster, naturally isolated","textAlign":"left","verticalAlign":"middle","containerId":"shape-8","lineHeight":1.3,"autoResize":false,"customData":{"revealStep":5}}],"appState":{"viewBackgroundColor":"#fbfbf8","gridSize":null},"files":{}}