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From Incze Lajos <in...@mail.matav.hu>
Subject Re: need info for database based Lucene but not flat file
Date Tue, 27 Apr 2004 21:42:36 GMT
On Tue, Apr 27, 2004 at 09:15:05AM -0700, Doug Cutting wrote:
> Yukun Song wrote:
> >As known, currently Lucene uses flat file to store information for
> >indexing. 
> >
> >Any people has idea or resources for combining database (Like MySQL or
> >PostreSQL) and Lucene instead of current flat index file formats?
> 
> A few folks have implemented an SQL-based Lucene Directory, but none has 
> yet been contributed to Lucene.  Hopefully one will be soon.
> 
> For some discussion of this, see messages on SQLDirectory in the mail 
> archives:
> 
> http://nagoya.apache.org/eyebrowse/SearchList?listId=&listName=lucene-user%40jakarta.apache.org&searchText=SQLDirectory&defaultField=subject&Search=Search
> 
> Doug

Could anybody summarize what would be the technical pros/cons of a DB-based
directory over the flat files? (What I see at the moment is that for some
- significant? - perfomence penalty you'll get an index available over the
network for multiple lucene engines -- if I'm right.)

incze

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