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From "Fuad Efendi" <f...@efendi.ca>
Subject RE: Lucene FieldCache memory requirements
Date Tue, 03 Nov 2009 01:20:59 GMT
Mark,

I don't understand this: 
> so with a ton of docs and a few uniques, you get a temp boost in the RAM
> reqs until it sizes it down.

Sizes down??? Why is it called Cache indeed? And how SOLR uses it if it is
not cache?


And this:
> A pointer for each doc.

Why can't we use (int) DocumentID? For me, it is natural; 64-bit pointer to
an object in RAM is not natural (in Lucene world)...


So, is it [maxdoc]x[4-bytes], or [maxdoc]x[8-bytes]?... 
-Fuad






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