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Date: Wed, 8 Oct 2008 11:17:16 -0700 (PDT)
From: Rajiv2 <rajiv.roopan@gmail.com>
To: solr-user@lucene.apache.org
Subject: Re: Need help with Solr Performance
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Hi, thanks for responding so quickly,

>6-12 seconds seems really long and 15 million docs is nothing on a  
>machine like this.  Are you sure the issue is in Solr?  How are you  
>measuring the 6-12 seconds?

I'm looking at the <QTime> value in the Solr response.

>Assuming it is Solr...

>How often are you indexing?  How often do you commit and get new  
>searchers?  What's your JVM heap size?  Are you warming?  Is your  
>index optimized?  Did you turn off the compound file system?

This is basically a test that I'm doing and it's not in production yet, so I
did a one time index and I haven't committed any new documents.
- JVM heap size is 12 GB
- I am autowarming
- Index is optimized
- useCompoundFile is false

>You said you've "done most of the optimizations", can you be specific?

- I have a minimum # of stored fields, 5 out of 25.
- My index is optimized
- HashDocSet is set to around 75000
- I've setup autowarming queries
- Haven't warmed sort fields because I'm not doing any sorting
- Not using any solid state drives
- Using filters instead of queries for filtering.

>
>
> thanks,
> Rajiv
>
> -- 
> View this message in context:
> http://www.nabble.com/Need-help-with-Solr-Performance-tp19881808p19881808.html
> Sent from the Solr - User mailing list archive at Nabble.com.
>

--------------------------
Grant Ingersoll

Lucene Helpful Hints:
http://wiki.apache.org/lucene-java/BasicsOfPerformance
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