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From Karan jindal <karanjindal1...@gmail.com>
Subject Re: when to use Fieldnorm ??
Date Tue, 15 Oct 2013 06:08:22 GMT
thanks shawn for quick insight about it.

I will look more into this.. and will share my experience

Thanks,
Karan Jindal



On Tue, Oct 15, 2013 at 12:10 AM, Shawn Heisey <solr@elyograg.org> wrote:

> On 10/14/2013 3:05 AM, Karan jindal wrote:
>
>> Is there standard way of checking to know whether switching off fieldNorm
>> helps or not?
>>
>
> If you will *NEVER* care about how the length of a field affects your
> relevancy score, you can omit norms for that field.  If you don't care at
> *all* about how matches in that field affect relevancy, then you could also
> omit term frequencies and positions.  These settings are designed to leave
> standard information out of the index when they are not required, which
> makes the index smaller.
>
> http://wiki.apache.org/solr/**SchemaXml#Common_field_options<http://wiki.apache.org/solr/SchemaXml#Common_field_options>
>
> Be careful when you decide to leave information out of your
> index.Requirements have a way of changing suddenly, and if you're not in a
> position where you can reindex quickly, changing your schema for new
> requirements is painful, because most schema changes require a reindex.
>
> Thanks,
> Shawn
>
>

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