At 09:27 12/06/01, Brian Goetz wrote:

>>While we are talking about scaling, does anyone know how
>>to force lucene to use ram for the entire index?
>
>That's easy.  Lucene has an abstraction for file system; there's a 
>disk-based file system and a memory based file system.  Use RAMDirectory 
>instead of FSDirectory when creating the store.

Has anyone actually used this technique successfully? I tried it 2-3 months 
back and it gave me all sorts of errors when building the index of a 
moderately sized set of documents. Unfortunately I can't remember what the 
errors were, but I do know they were not out of memory errors.

Robert


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