On Sun, Nov 15, 2009 at 11:02 PM, Uwe Schindler <u...@thetaphi.de> wrote:
> the second approach is slower, when deleted docs > are involved and 0 is inside the range (need to consult TermDocs). > This is a good point (and should be mentioned in your blog, John) - for while custom FieldCache-like implementations (ie bobo-browse, which additionally isn't restricted to single-valued fields) need not have this deficiency, for they can choose to map empty values to MAX_INT or something like that, the FCRF in its raw form can really bite you, performance-wise, if you didn't notice that sometimes your queries ran across zero and there were lots of deletes. -jake
