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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: using lucene with a very large index
Date Thu, 14 Feb 2002 01:29:16 GMT

--- tal blum <thetalthe@hotmail.com> wrote:
> Hi, I'm building a very large index, that contains several
> categories.
> I have several questions I hope you can answare.
> 1) Is there a way to use lucene with several indexes without merging
> them?

Look at MultiSearcher class.

> 2) Does the Document id changes after merging indexes adding or
> deleting documents?

Not sure.

> 3) Has anyone implemented a GUI to the lucene index, such that
> enables to deletions by id or sql-like queries?

I haven't seen anything like it.

> 4) assuming I have a term query that has a large number of hits say
> 10 millions, is there a way to get the say the top  10 results
> without going through all the hits?

See the Javadocs for Searcher and IndexSearcher, I think you'll find
the answer there.

Otis


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