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Retriever Learned Fusion

Get Weights

Get global learned fusion weight distribution for a retriever.

get/v1/retrievers/{retriever_id}/learned-fusion/weights

Path parameters

retriever_idstring required

Response

Successful Response

feature_weightsobject required

Per-feature weight distribution keyed by feature_uri.

total_interactionsinteger required

Total number of interactions across all features.

learner_countinteger required

Number of unique users with personal-level weights.

sourcestring nullable

Which store served the weights: 'signals' (the namespace's _signals collection) or 'clickhouse' (analytics fallback).

warningstring nullable

Set when the response contains fallback defaults due to an internal error.

hintstring nullable

Set when learned fusion is NOT configured for this retriever — the payload is a well-formed empty state and this explains how to enable learning (BACKE-2525).