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From Koji Sekiguchi <k...@r.email.ne.jp>
Subject Re: ReentrantReadWriteLock in DUH2
Date Thu, 06 Nov 2008 15:48:30 GMT
 > So that multiple threads can efficiently access the writer, but only 
one thread at a time does a commit.
 > Adding docs with the writer is the 'read' and committing is the 
write. If I remember correctly.

You remember correctly, Mark. Because of the lock, <add/> is blocked
during <optimize/>, even if ConcurrentMergeScheduler is used, right?
I'd like to know why <add/> should be blocked during <optimize/>.

Koji



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