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From Jason Rutherglen <>
Subject Re: [jira] Commented: (LUCENE-1997) Explore performance of multi-PQ vs single-PQ sorting API
Date Wed, 04 Nov 2009 18:02:18 GMT
If I'm understanding the multi-PQ approach correctly, the
multi-PQ could enable Solr for example to cache results per
segment, whereas the single-PQ will not.

This raises the question of how useful results caching is to
Solr going forward? Will the lack of results caching in the NRT
use case be a drawback or a non-issue?

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