On the wiki, it says:

> One of the powerful features of Lucene is that you don't have to
> pre-define every field when you first create your index. Even though
> Solr provides strong datatyping for fields, it still preserves that
> flexibility using "Dynamic Fields".

Is the use of a predefined schema primarily a "type safety" feature?
We're considering using Solr for a data set that is very free-form; will
we get much slower results if the majority of our data is in a dynamic
field such as:

  <dynamicField name="*" type="text" indexed="true" stored="true"/>

I'm a little unclear on the trade-offs involved and would appreciate
a hint.

Phil Hagelberg
http://technomancy.us

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