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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 32228] - [PATCH] SegmentReader does unnecessary checks for existence of files
Date Tue, 23 Nov 2004 17:09:28 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=32228


goller@detego-software.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |LATER




------- Additional Comments From goller@detego-software.de  2004-11-23 18:09 -------
Unfotunately, it is necessary to look for rewritten norm-files. If a segment
uses a compound file and its norms are changed by setNorm, the new norm-values
cannot be included into the compound file. You cannot write to a compound file
after it has been generated. The new norm-values end up in separate
files and do not get into the compound file before the next merge.

IndexReader allows to rewrite norms. As far as I remember this is needed
by Nutch to adapt scores to additional information from the link database.
That's what Doug explained to me some time ago.

I currently don't see an easy way to get rid of the described inefficiency.
Definitely, the patch cannot be applied.

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