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LLMOps & ProductionHard· Evaluation· Sparse Retrieval· Cost Optimization
Platform wants to decommission the Elasticsearch cluste...
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See plansThe resolution should be empirical. Evaluation sets sampled from logs often fail to represent the long tail of queries. You should request recall stratified by IDF. If the operational cost of two systems is the primary concern, suggest using learned sparse retrieval, which allows for vocabulary-space scoring without requiring a separate Elasticsearch cluster.