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From Stefan Trcek <wzzelfz...@abas.de>
Subject Re: A lucene performance test
Date Tue, 14 Aug 2012 10:44:47 GMT
Results for lucene-4.0.0-alpha:

* Write performance decreased by a factor of about 2.

* Index size increased by a factor 1.3

* Search speed increased by a factor 1.6 (1m requests, 10m entries)
  or even more

* The ultra high performance for small indexes decreased.
  But this doesn't matter.

* The cache slowdowns are at 100.000 and 500.000 entries.
  This is a great improvement compared to 1.000 and 200.000 in
  lucene 3.5.

* lucene searcher warmup is dramatically better, see the 1000-query
  batch at the end.

Stefan

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