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From "Michael McCandless" <luc...@mikemccandless.com>
Subject Re: 2.3.1 announcement draft
Date Sat, 23 Feb 2008 11:18:22 GMT
Unfortunately there is another corruption case (LUCENE-1176) that
happens regardless of autoCommit, if multiple threads are adding docs
and doc(s) w/o any term vector fields are added before docs with term
vector fields.

Maybe change to this?

This release contains fixes for serious bugs in 2.3.0 that could cause
index corruptions in autoCommit=false mode or in cases where multiple
threads are adding documents where some have term-vector enabled
fields and some don't.  The autoCommit option was added to IndexWriter
with release 2.2.0. If not explicitly set to false, the IndexWriter
runs in autoCommit=true mode.

Mike

Michael Busch <buschmic@gmail.com> wrote:
> Yonik Seeley wrote:
>  > Perhaps add something to the effect that autoCommit=false was a new
>  > 2.3 feature, so it's only those who actually started using it who were
>  > at risk?
>  >
>
>
> autoCommit=false was already introduced in 2.2.0, so also people who are
>  upgrading from 2.2.0 might be at risk. But I can still mention that
>  autoCommit is a quite new feature and that by default autoCommit=true is
>  used. Attached an updated version of the draft.
>
>
>  -Michael
>
>  DRAFT:
>
>  Release 2.3.1 of Lucene Java is now available!
>
>  This release contains fixes for serious bugs in 2.3.0 that could cause
>
> index corruptions in autoCommit=false mode. The autoCommit option was
>  added to IndexWriter with release 2.2.0. If not explicitly set to false,
>  the IndexWriter runs in autoCommit=true mode.
>
>
>  2.3.1 does not contain any new features, API or file format changes,
>  which makes it fully compatible to 2.3.0.
>
>  We would like to encourage everyone who currently uses Lucene Java 2.3.0
>  to upgrade to 2.3.1 to prevent possible index corruptions!
>
>
>  The detailed change log is at:
>  http://svn.apache.org/repos/asf/lucene/java/tags/lucene_2_3_1/CHANGES.txt
>
>  Binary and source distributions are available at
>  http://www.apache.org/dyn/closer.cgi/lucene/java/
>
>  Lucene artifacts are also available in the Maven2 repository at
>  http://repo1.maven.org/maven2/org/apache/lucene/
>
>  -Michael (on behalf of the Lucene team)
>
>
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