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Date: Wed, 16 Sep 2009 18:31:18 +0200
From: Thomas Becker <thomas.becker@net-m.de>
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Subject: Re: lucene 2.9.0RC4 slower than 2.4.1?
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New Profiling sessions with invocation counts. A single lucene search request
with huge resultset (169k items).

Quite interesting results though and there's definetly something wrong with luc
2.9 and the way I'm using it. But see yourself:

http://ankeschwarzer.de/tmp/lucene_24_oldapi_singlereq.png
http://ankeschwarzer.de/tmp/lucene_29_oldapi_singlereq.png
and even worse:
http://ankeschwarzer.de/tmp/lucene_29_newapi_mmap_singlereq.png

Have to verify that the last one is not by accident more than one request. Will
do the run again and then post the required info.

Mark Miller wrote:
> bq. I'll do some profiling now again and let you know the results.
> 
> Great - it will be interesting to see the results. My guess, based on
> the 2.9 new api profiling, is that your queries may not be agreeing with
> some of the changes somehow. Along with the profiling, can you fill us
> in on the query types you are using as well? (eg qualities)
> 
> And grab invocations if its possible.
> 

-- 
Thomas Becker
Senior JEE Developer

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