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git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@955615 13f79535-47bb-0310-9956-ffa450edef68
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Uwe Schindler 2010-06-17 14:33:25 +00:00
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commit 7d208167c2
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lucene/CHANGES.txt
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@ -885,6 +885,13 @@ Changes in runtime behavior
fields when reading. You have to reindex to do that.
(Michael Busch, Uwe Schindler)
* LUCENE-2060: Changed ConcurrentMergeScheduler's default for
maxNumThreads from 3 to 1, because in practice we get the most
gains from running a single merge in the background. More than one
concurrent merge causes a lot of thrashing (though it's possible on
SSD storage that there would be net gains). (Jason Rutherglen,
Mike McCandless)
API Changes
* LUCENE-1257, LUCENE-1984, LUCENE-1985, LUCENE-2057, LUCENE-1833, LUCENE-2012,