Unverified50% confidenceTradeoffExact time
The full rebuild approach is simple to implement and leaves no dirty data, but is costly at the million-vector scale and cannot meet near-real-time update requirements, making it suitable for scenarios where data changes infrequently.
1
Sources
50%
Confidence
Long-term
Relevance
8/9/2026
First Seen
Sources
生产级RAG向量索引实时同步：策略选型与工程实践
Related Claims
Unverified用新数据更新模型时可能破坏原有能力，即灾难性遗忘，工业界通过失败案例库、数据增强与混合回放技术来整合新数据67% similarUnverifiedThe advantages of RAG over fine-tuned models lie in real-time data updates, lower cost, and stronger interpretability.64% similarUnverifiedWhen data changes frequently, data volume is small, or relationships are sparse, traditional vector RAG is more economical than GraphRAG, because maintaining a knowledge graph requires ongoing entity extraction, relationship alignment, and graph updates.64% similar
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