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From Doug Cutting <>
Subject Re: Lucene Search has poor cpu utilization on a 4-CPU machine
Date Tue, 13 Jul 2004 16:00:12 GMT
Aviran wrote:
> I changed the Lucene 1.4 final source code and yes this is the source
> version I changed.

Note that this patch won't produce the a speedup on earlier releases, 
since their was another multi-thread bottleneck higher up the stack that 
was only recently removed, revealing this lower-level bottleneck.

The other patch was:

Both are required to see the speedup.

Also, is there any reason folks cannot use 1.4 final now?


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