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From "Vladimir Yuryev" <>
Subject Re: ParallelMultiSearcher
Date Mon, 10 May 2004 04:10:28 GMT
Hi, Erik!

Thanks for your reply.


>> What requirements ParallelMultiSearch to JVM? What the adjustments of 
>> memory and for processes of system are required? If it somebody knows, 
>> let it can be on an example anyone of Unix System.
>ParallelMultiSearcher simply spins a separate thread for each index and 
>waits for the results from all threads before returning results.
>Depending on your hardware, you may or may not receive performance 
>benefits over using plain MultiSearcher.  You would likely need each 
>index on a separate disk so that you would benefit from parallel I/O.
>Beyond standard multi-threaded Java concerns, there is nothing special 
>about ParallelMultiSearcher, and tuning would be dependent on your 
>	Erik

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