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"Read-only" IndexReaders [LUCENE-1030] #2106

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asfimport opened this issue Oct 17, 2007 · 1 comment
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"Read-only" IndexReaders [LUCENE-1030] #2106

asfimport opened this issue Oct 17, 2007 · 1 comment
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legacy-jira-priority:Minor legacy-jira-resolution:Duplicate module:core/index type:enhancement

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asfimport commented Oct 17, 2007 •
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IndexReaders are able to perform certain write operations on an index (setNorm(), deleteDocument()). This makes issues like #1818 more complicated and also duplicate code for acquiring locks and write transactions is necessary.

Therefore we should make IndexReaders "read-only" in the future. However, we have to find a good solution to support setting norms and deleting documents by docid with the IndexWriter. See related discussions in #1818 and http://www.gossamer-threads.com/lists/lucene/java-dev/52017.

Migrated from LUCENE-1030 by Michael Busch, resolved Sep 22 2008
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asfimport commented Sep 22, 2008 •
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Michael McCandless (@mikemccand) (migrated from JIRA)

Read-only IndexReaders were added in 2.4 (#2406).

This was referenced Aug 24, 2022
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