John, you should have a look at Zoie.  I just finished adding LinkedIn's case 
study about Zoie to Lucene in Action 2, so this is fresh in my mind. :)

 Otis
--
Sematext -- http://sematext.com/ -- Solr - Lucene - Nutch



----- Original Message ----
> From: jchang <jchangkihat...@gmail.com>
> To: java-dev@lucene.apache.org
> Sent: Tue, January 12, 2010 6:10:56 PM
> Subject: Lucene 2.9.0 Near Real Time Indexing and Service Crashes/restarts
> 
> 
> Lucene 2.9.0 has near real time indexing, writing to a RAMDir which gets
> flushed to disk when you do a search.
> 
> Does anybody know how this works out with service restarts (both orderly
> shutdown and a crash)?  If the service goes down while indexed items are in
> RAMDir but not on disk, are they lost?  Or is there some kind of log
> recovery?
> 
> Also, does anybody know the impact of this which clustered lucene servers? 
> If you have numerous servers running off one index, I assume there is no way
> for the other services to pick up the newly indexed items until they are
> flushed to disk, correct?  I'd be happy if that is not so, but I suspect it
> is so.
> 
> Thanks,
> John
> -- 
> View this message in context: 
> http://old.nabble.com/Lucene-2.9.0-Near-Real-Time-Indexing-and-Service-Crashes-restarts-tp27136539p27136539.html
> Sent from the Lucene - Java Developer mailing list archive at Nabble.com.
> 
> 
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