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From "Antonello Provenzano" <>
Subject Re: 答复: Lucene in large database contexts
Date Fri, 10 Aug 2007 09:59:28 GMT

Thanks. The problem I see it's that although I can add a Document
through IndexWriter or IndexModifier, this won't be searchable until
the index is closed and, possibly, optimized, since the score of the
document in the index context must be re-calculated on the basis of
the whole context.

Is this assumption true? or am I completely wrong?


On 8/10/07, Kai Hu <> wrote:
> Hi, Antonello
>         You can use IndexWriter.addDocument(Document document) to add single document,same
to update,delete operation.
> kai
> -----邮件原件-----
> 发件人: Antonello Provenzano []
> 发送时间: 2007年8月10日 星期五 17:09
> 收件人:
> 主题: Lucene in large database contexts
> Hi There!
> I've been working for a while on the implementation of a website
> oriented to contents that would contain millions of entries, most of
> them indexable (such as descriptions, texts, names, etc.).
> The ideal solution to make them searchable would be to use Lucene as
> index and search engine.
> The reason I'm posting the mailing list is the following: since all
> the entries will be stored in a database (most likely MySQL InnoDB or
> Oracle), what's the best technique to implement a system that indexes
> in "real time" (eg. when an entry is inserted into the databsse) the
> content and make it searchable? Based on my understanding of Lucene,
> such this thing is not possible, since the index must be re-created to
> be able to search the indexed contents. Is this true?
> Eventually, could anyone point me to a working example about how to
> implement such a similar context?
> Thank you for the support.
> Antonello
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