Yes.

-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: [email protected]


> -----Original Message-----
> From: Shalin Shekhar Mangar [mailto:[email protected]]
> Sent: Wednesday, June 15, 2011 1:38 PM
> To: [email protected]
> 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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