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From Mark Miller <>
Subject Re: lucene 2.3 in production
Date Mon, 04 Feb 2008 20:17:41 GMT
You still have to be careful if you want to alternate a search and 
write. If you are loading a lot of docs this way, you would want to hold 
the Writer to batch the docs, but while you are holding it, you will not 
have a fresh view of the index - so you could add the same doc twice if 
it came twice in a batch. The only way to be sure you avoid this is to 
reopen readers after you add every doc. This is just not going to be a 
fast way of doing things...but if you have a high mergefactor, the new 
reopen method will prob make it *much* faster. Or if you are sure that 
the batch won't contain duplicates, you can batch load.

John Wang wrote:
> Hi:
>    Is there anyone running a full production deployment on lucene 2.3 (with
> high traffic, large index and frequent updates)? We are thinking of doing
> this but wanted to get some feedback.
> Thanks
> -John

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