Unverified50% confidenceFactExact time
Failure of vector indexes to reflect data changes in a timely manner leads to two types of problems: stale retrieval (generating answers based on outdated documents) and ghost data (source documents have been deleted but vectors remain in the index and are still retrieved).
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
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