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Posted to java-user@lucene.apache.org by Darren Govoni <da...@ontrenet.com> on 2008/10/27 20:09:51 UTC

Re: instantiated index in 2.4

Has anyone gotten some initial performance observations about
instantiated index?

I replaced my RAMDirectory searcher with one and it was slower or about
the same. The note about it claims 100x possible performance
improvement. Maybe there is a data size beyond which its performance
excels.

thanks.

On Mon, 2008-09-15 at 19:45 +0300, Cam Bazz wrote:
> Hello,
> 
> I have been looking at instantiated index in the trunk. Does this come
> with a searcher? Are the adds reflected directly to the index?
> 
> Or is it just an experimental thing only with reader and writer?
> 
> Best.
> 
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Re: instantiated index in 2.4

Posted by Karl Wettin <ka...@gmail.com>.
Hi Darren,

How large is your corpus? The speed you can expect depends on how much  
data you load it with. There is a graph in the package level javadocs  
that shows this:

http://lucene.apache.org/java/2_4_0/api/contrib-instantiated/org/apache/lucene/store/instantiated/package-summary.html



     karl


27 okt 2008 kl. 20.09 skrev Darren Govoni:

> Has anyone gotten some initial performance observations about
> instantiated index?
>
> I replaced my RAMDirectory searcher with one and it was slower or  
> about
> the same. The note about it claims 100x possible performance
> improvement. Maybe there is a data size beyond which its performance
> excels.
>
> thanks.
>
> On Mon, 2008-09-15 at 19:45 +0300, Cam Bazz wrote:
>> Hello,
>>
>> I have been looking at instantiated index in the trunk. Does this  
>> come
>> with a searcher? Are the adds reflected directly to the index?
>>
>> Or is it just an experimental thing only with reader and writer?
>>
>> Best.
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>


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