Hi,
If I go with copy field than will it increase I/O load considering I have RAM 
less than one third of total index size?

Thanks 
Abhishek

  Original Message  
From: Erick Erickson
Sent: Monday, 10 March 2014 01:37
To: solr-user@lucene.apache.org
Reply To: solr-user@lucene.apache.org
Subject: Re: Optimizing RAM

I'd go for a copyField, keep the stemmed and unstemmed
version in the same index.

An alternative (and I think there's a JIRA for this if not an
outright patch) is implement a "special" filter that, say, puts
the original tken in with a special character, say $ at the
end, i.e. if indexing "running", you'd index both "running$" and
"run". Then when you want exact match, you search for "running$".

Best,
Erick

On Sun, Mar 9, 2014 at 2:55 PM, abhishek jain
<abhishek.netj...@gmail.com> wrote:
> hi friends,
> I want to index some good amount of data, i want to keep both stemmed and
> unstemmed versions ,
> I am confused should i keep two separate indexes or keep one index with two
> versions or column , i mean col1_stemmed and col2_unstemmed.
>
> I have multicore with multi shard configuration.
> My server have 32 GB RAM and stemmed index size (without content) i
> calculated as 60 GB .
> I want to not put too much load and I/O load on a decent server with some 5
> other replicated servers and want to use servers for other purposes also.
>
>
> Also is it advised to server queries from master server or only from slaves?
> --
> Thanks,
> Abhishek

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