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From Cristian Lorenzetto <>
Subject MultiReader question
Date Thu, 18 Aug 2016 09:28:36 GMT
i want split universe set to index in different subtopics/entities/subsets
Considering for semplicity entity X is indexed in Index_X folder.

Considering now i have a query when is searched
X1,X2,X3 ,
for semplicity N is the number of sub readers.

I could use MultiReader lucene api for making it.


1) what about MultiReader performance /memory  in relation to a monolitic
index?  memory used is N times what used by a monolitic index?
2) avantages /disadvantages MultiReader against SingleReader?

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