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From "Yonik Seeley" <yo...@apache.org>
Subject Re: [jira] Commented: (LUCENE-743) IndexReader.reopen()
Date Mon, 12 Nov 2007 22:47:20 GMT
On Nov 12, 2007 5:08 PM, robert engels <rengels@ix.netcom.com> wrote:
> As long as the files are sync'd, even on nfs the reopen should not
> see segments.XXX until is is ready.

Right, but then there is a race on the other side... a reader may open
the segments .XXX file and then start opening all the referenced
segments files, but some of them may have already been deleted because
a segment merge happened.  There's a retry mechanism in this case.
http://issues.apache.org/jira/browse/LUCENE-701

I guess the test with 150 threads is very atypical and could actually
cause a reader to not be successfully opened and hence an exception
thrown.

-Yonik

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