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From Doug Cutting <>
Subject Re: [VOTE] Commit LUCENE-843 (IndexWriter performance gains)
Date Mon, 02 Jul 2007 21:31:40 GMT
+1 This is great work!  Commit it.


Michael McCandless wrote:
> Hi,
> I'd like to commit LUCENE-843.
> The patch has gone through a number of iterations but the final
> version that's there now (take9) is quite a bit cleaner & simpler than
> the ones leading up to it and I believe ready.
> It provides solid indexing performance gains (between 2X-8X), but, it
> is somewhat more complex than the current "single doc per segment"
> approach and it does introduce a change to the index format (only when
> autoCommit=false) whereby multiple segments can share a single set of
> term vector & stored fields files.
> Given that it's such a big change I think (?) it's appropriate to ask
> for a vote (only PMC member votes are binding) to make sure we have
> consensus that this is net/net a good change for Lucene.
> Mike
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