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https://issues.apache.org/jira/browse/SOLR-4764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved SOLR-4764.
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Resolution: Fixed
Fix Version/s: 5.0
4.5
Thanks for reviewing Mark!
> 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
> Fix For: 4.5, 5.0
>
> 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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