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From "Mike Klaas" <>
Subject Re: Performance penalty for Multivalued field?
Date Thu, 15 Mar 2007 17:37:18 GMT
On 3/15/07, Maximilian Hütter <> wrote:
> Hi,
> I have a Solr-instance where many documents containing the same field
> several times. Rightnow I use a stylesheet which will collect these
> duplicate fields into one field for indexing. I guess this a case where
> I should use a multivalued field, but the problem is I don't know in
> advance (when creating the schema.xml) which fields will actually appear
>  many times in one document. I thought about just making all field
> multivalued. Is there a problem with this? Will it make my index to
> large? Is there a performance penalty for this (probably), how bad would
> that be?

I would be shocked if you noticed any performance difference between a
single-valued field and a multivalued field with one entry.


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