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Date: Tue, 3 Nov 2009 14:59:40 -0500
Message-ID: <9ac0c6aa0911031159u432165f5tb4a46bcf959671ee@mail.gmail.com>
Subject: Re: merging Parallel indexes (can indexWriter.addIndexesNoOptimize be
	used?)
From: Michael McCandless <lucene@mikemccandless.com>
To: java-user@lucene.apache.org
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addIndexesNoOptimize is only for shards.

But this [pending patch/contribution] is similar what you're seeking, I thi=
nk:

  https://issues.apache.org/jira/browse/LUCENE-1879

It does not actually merge the indexes, but rather keeps 2 parallel
indexes in sync so you can use ParallelReader to search them
coherently.

Mike

On Tue, Nov 3, 2009 at 1:46 PM, Britske <gbrits@gmail.com> wrote:
>
> Given two parallel indexes which contain the same products but different
> fields, one with slowly changing fields and one with fields which are
> updated regularly:
>
> Is it possible to periodically merge these to form a single index? =A0(th=
ereby
> representing a frozen snapshot in time)
>
> For example: Can indexWriter.addIndexesNoOptimize handle this, or was it
> (only) designed for merging shards?
> If not, is there another option (3rd party or not) to use, or would I hav=
e
> to resort to low-level hacking?
>
> Thanks,
> Geert-Jan
> --
> View this message in context: http://old.nabble.com/merging-Parallel-inde=
xes-%28can-indexWriter.addIndexesNoOptimize-be-used-%29-tp26161322p26161322=
.html
> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>
>
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