I don't think there would be significant disadvantages of using
MultiReader, but depending what the data looks like, there might not be
benefits either. If data is homogeneous per entity but not across entities
then the MultiReader approach might have potential for making things more
efficient, but
Ipothesis:
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
