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From Ted Stockwell <>
Subject Why perform optimization in 'off hours'?
Date Mon, 31 Aug 2009 15:25:08 GMT
Hi All,

I am new to Lucene and I was reading 'Lucene in Action' this weekend.
The book recommends that optimization be performed when the index is not in use.
The book makes it clear that optimization *may* be performed while indexing but it says that
optimizing while indexing makes indexing slower.
However, the book does not explain *why* indexing would be slower while optimizing.
Since I know that optimization will create new segments and not mess with the old ones, I'm
confused as to how optimizing may cause indexing to slow down.

Any ideas?

ted stockwell


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