I belive you will find this section of the Ref guide helpful
https://solr.apache.org/guide/solr/9_7/deployment-guide/solrcloud-distributed-requests.html

On Sat, Jan 18, 2025, 12:56 AM Rahul Goswami <rahul196...@gmail.com> wrote:

> Hello,
> Let's say I have a 4 shard Solr collection. When I query the collection,
> what is the default sorting order for aggregated results assuming the
> search returns several results from each shard?
>
> I understand when querying a single core, documents are sorted based on
> score. But while assessing the final order for documents across shards, are
> the scores normalized in any way? Asking since my understanding is local
> shard scores must be derived based on TF/IDF stats local to a shard and may
> not correctly determine the relevance across shards.
>
> Thanks,
> Rahul
>

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