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From Earl Hood <e...@earlhood.com>
Subject Re: Re-indexing a particular field only without re-indexing the entire enclosing document in the index
Date Mon, 23 Apr 2012 15:58:56 GMT
On Mon, Apr 23, 2012 at 10:31 AM, Jong Kim wrote:

> Is there any good way to solve this design problem? Obviously, an
> alternative design would be to split the index into two, and maintain
> static (and large) data in one index and the other dynamic part in the
> other index. However, this approach is not acceptable due to our data
> pattern where the match on the first index yields very large result set,
> and filtering them against the second index is very inefficient due to high
> ratio of disjoint data. In other word, while the alternate approach
> significantly reduces the indexing-time overhead, resulting search is
> unacceptably expensive.

Have you tested to verify it is expensive?  If the meta document is
identified with a unique ID (that can be stored with the main document
so you know which meta document to retrieve), accessing the meta
document should be fairly efficient.

In the project I'm on (we are using Lucen 3.0.3), we just use
InderReader.termDocs() to retrieve a document based on a unique ID we
store in one of the documents fields.

--ewh

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