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Updated 2 months ago

Does the order of postprocessors matter?

Does the order of postprocessors matter?

i.e.

Plain Text

node_postprocessors=[
            MetadataReplacementPostProcessor(target_metadata_key="window"),
            cohere_rerank
 ]

Plain Text

node_postprocessors=[
            cohere_rerank,
            MetadataReplacementPostProcessor(target_metadata_key="window")
]

would it make a difference?

4 comments

WWhiteFang_Jr

I think yes

LLogan M

Yes, the are applied in order

So here, you'd be either applying reranking on a single sentence, or on the window, depending if the rerank is first or last

SSayan

Thank you!

In this specific case, do you see any advantage of using one order over the other?

LLogan M

I think it really depends 😅 personally I'd lean towards using the reranker last

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