Check this out.

http://mail-archives.apache.org/mod_mbox/lucene-java-user/200512.mbox/[EMAIL 
PROTECTED]


On 6/1/06, Monsur Hossain <[EMAIL PROTECTED]> wrote:
When Lucene first issues a query, it caches a hash of sort values (one
value per document, plus a bit more if you are sorting on strings),
which takes a while.  Therefore, when our application first starts up,
we issue one query per sort type.  As I understand, it doesn't matter
what the query is or how complicated it is.

Monsur



On 5/31/06, Charles Mi <[EMAIL PROTECTED]> wrote:
> Is there a way to preload the index into memory when the process starts?
> Basically I want to warm up the index before processing user queries. What
> are some recommended ways to do this? Thanks.
>
>

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Cheolgoo

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