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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Merging with writer open on source index?
Date Wed, 15 Jun 2011 13:35:39 GMT
Yes.

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: uwe@thetaphi.de


> -----Original Message-----
> From: Shalin Shekhar Mangar [mailto:shalinmangar@gmail.com]
> Sent: Wednesday, June 15, 2011 1:38 PM
> To: java-user@lucene.apache.org
> Subject: Merging with writer open on source index?
> 
> Hello,
> 
> IndexWriter.addIndexes(Directory...) method says that the index in each
> directory must not be changed (opened by a writer) while this method is
> running. However, IndexWriter.addIndexes(IndexReader...) does not say
> any such thing. Would I be correct in assuming that since an IndexReader has
> a static snapshot of the index, merging using addIndexes(IndexReader...) is
> safe even if the source index has a writer open?
> 
> --
> Regards,
> Shalin Shekhar Mangar.


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