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https://issues.apache.org/jira/browse/SOLR-4764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739850#comment-13739850
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ASF subversion and git services commented on SOLR-4764:
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Commit 1513953 from [~rcmuir] in branch 'dev/branches/branch_4x'
[ https://svn.apache.org/r1513953 ]
SOLR-4764: When using NRT, just init the reader from IndexWriter
> When using NRT, just init the reader from IndexWriter
> -----------------------------------------------------
>
> Key: SOLR-4764
> URL: https://issues.apache.org/jira/browse/SOLR-4764
> Project: Solr
> Issue Type: Improvement
> Reporter: Robert Muir
> Attachments: SOLR-4764.patch, SOLR-4764_test.patch
>
>
> Spinoff from SOLR-4761
> Solr first opens a DirectoryReader from the directory, then later will pass
> this to IW openIfChanged.
> I noticed this when i was confused that mergedsegmentwarmer doesn't appear to
> work at first until after you've reopened...
> I'm not totally sure what the current behavior causes (does IW's pool reuse
> segments from this passed-in "external" reader, or is this causing some
> horrible doubling-up/inefficient stuff etc?). To some extent i think we
> should change it even if its actually performant: I think its confusing.
> I think ideally we'd change IndexReaderFactory's method to take writer
> instead of directory so that custom DirectoryReaders can still work.
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