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From Steven Rowe <>
Subject Re: Virtually merge two indexes?
Date Mon, 26 Mar 2007 16:21:57 GMT
Hi Chris,

Chris Lu wrote:
> Hi, Steven,
> Thanks for the instant reply! But let's see the warning in the
> ParallelReader javadoc:
> "It is up to you to make sure all indexes are created and modified
> the same way. For example, if you add documents to one index, you need
> to add the same documents in the same order to the other indexes.
> Failure to do so will result in undefined behavior."
> To follow the warning, I need to index the all content again. So
> basically it defeats my original purpose to keep two indexes: to save
> the indexing for the large/stale content.

Although it's true that you would need to re-index your content for the
frequently updated fields, you would *not* need to re-index the
large/stale content index, as long as you keep constant the number of
documents and the order in which you index them.


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