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feat: register nemotron-rerank-vl-1b-v2 alongside the existing reranker - #2553

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feat: register nemotron-rerank-vl-1b-v2 alongside the existing reranker#2553
erichare wants to merge 3 commits into
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feat/rerank-nemotron-vl-model

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@erichare

@erichare erichare commented Aug 18, 2026

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Adds nvidia/llama-nemotron-rerank-vl-1b-v2 (NIM 2.x, the new Rust runtime) as a second, non-default reranking model, so it can run alongside nvidia/llama-3.2-nv-rerankqa-1b-v2 rather than replacing it.

Test plan

  • Existing integration tests unaffected (they load test-reranking-providers-config.yaml)
  • findRerankingProviders lists both models, old one flagged default
  • Local findAndRerank against a NIM 2.x pod using the new model

Adds nvidia/llama-nemotron-rerank-vl-1b-v2 (NIM 2.x, Rust runtime) as a
second, non-default model. The existing llama-3.2-nv-rerankqa-1b-v2 stays
is-default: collections pin provider + model in their schema, so the
default only affects newly created collections and existing traffic is
unaffected.

Batch size is held at 10 to match the existing model so load comparisons
are like-for-like; NIM 2.x accepts up to 512 passages per call, which is
worth measuring as a separate change.

Note this file is only used when the embedding gateway is disabled
(RerankingProviderConfigProducer) - Astra dev/prod get the model list from
EGW over gRPC, so prod registration is an EGW config change. This entry
covers local/OSS/HCD and local testing against the new NIM.
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➡️ Unit Test Coverage Delta vs Main Branch

Metric Value
Main Branch 53.39%
This PR 53.39%
Delta ⚪ 0.00%
ℹ️ Coverage unchanged

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Unit Test Coverage Report

Overall Project 53.39% 🍏

There is no coverage information present for the Files changed

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➡️ Integration Test Coverage Delta vs Main Branch (dse69-it)

Metric Value
Main Branch 71.46%
This PR 71.46%
Delta ⚪ 0.00%
ℹ️ Coverage unchanged

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Integration Test Coverage Report (dse69-it)

Overall Project 71.46% 🍏

There is no coverage information present for the Files changed

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➡️ Integration Test Coverage Delta vs Main Branch (hcd-it)

Metric Value
Main Branch 72.78%
This PR 72.78%
Delta ⚪ 0.00%
ℹ️ Coverage unchanged

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Integration Test Coverage Report (hcd-it)

Overall Project 72.78% 🍏

There is no coverage information present for the Files changed

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