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From "Michael Celona" <mich...@nyclabs.com>
Subject RE: Hardware Question
Date Thu, 28 Jul 2005 13:44:39 GMT
Will using a striped raid configuration (i.e. raid 5/10 ) yield the same
performance improvements as using multiple drives with ParallelIndexReader.

Also, for searching are you suggesting using ParallelMultiSearcher against
multiple indexes on separate drives and/or using ParallelIndexReader.

Michael

-----Original Message-----
From: Otis Gospodnetic [mailto:otis_gospodnetic@yahoo.com] 
Sent: Wednesday, July 27, 2005 6:25 PM
To: java-user@lucene.apache.org
Subject: Re: Hardware Question

Option 1) will most likely give you more, but there are a number of
other things you could do before going for monster hardware.  Splitting
the index, more than 1 disk, ParallelIndexReader, the patch that splits
index files into a number of data files, etc.

Otis


--- Michael Celona <mcelona@criticalmention.com> wrote:

> I am going over ways to increase overall search performance.  
> 
>  
> 
> Currently, I have a dual zeon with 2G of ram dedicated to java
> searching an
> 8G index on one 7200 rpm drive.
> 
>  
> 
> Which will give the greatest payoff?
> 
>  
> 
> 1)       Going to 64bit server and giving more memory to java with
> faster
> drives 
> 
>  
> 
> Or
> 
>  
> 
> 2)       Staying with 32bit server but going with faster drives and
> splitting the operating system from the index drive.
> 
>  
> 
>  
> 
> Basically, what are the performance improvements from separating the
> operation system form the index drive(s).
> 
>  
> 
>  
> 
> Thanks,
> 
> Michael
> 
>  
> 
> 


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