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From "Uwe Schindler (JIRA)" <>
Subject [jira] Created: (LUCENE-2771) Remove norms() support from non-atomic IndexReaders
Date Fri, 19 Nov 2010 18:44:13 GMT
Remove norms() support from non-atomic IndexReaders

                 Key: LUCENE-2771
             Project: Lucene - Java
          Issue Type: Improvement
            Reporter: Uwe Schindler
             Fix For: 4.0

Spin-off from LUCENE-2769:
Currently all IndexReaders support norms(), but the core of Lucene never uses it and its even
dangerous because of memory usage. We should do the same like with MultiFields and factor
it out and throw UOE on non-atomic readers.

The SlowMultiReaderWrapper can then manage the norms. Also ParallelReader needs to be fixed.

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