On Fri, Mar 19, 2010 at 12:46 PM, Toke Eskildsen <t...@statsbiblioteket.dk> 
wrote:

> However, it is not set in stone that we will shift to using Exposed or 
> similar: As many others we're pursuing real-time indexing and while Exposed 
> sits at the segment-level and thus works well for re-open, big segment 
> changes still occur from time to time. It is hard to see a way around this, 
> unless the initial build time can be optimized further (a co-worker gave a 
> great suggestion today and I think I know another way to shave 30-40% of).

You should set a merged segment warmer on the IndexWriter to handle this case.

It warms the newly merged segment before committing it, without
blocking ongoing reopens of new NRT readers.

Mike

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