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From Roger Ford <>
Subject Re: Indexing very large sets (10 million docs)
Date Wed, 30 Jul 2003 20:01:28 GMT
Doug Cutting wrote:

> For batched indexing I recommend: (1) increasing mergeFactor somewhat, 
> depending on how many indexed fields you have; (2) adding all of your 
> documents; and (3) optimizing once at the end.

Thanks for all the advice on this. I did as Doug suggested, and the
indexing completed in around 13 hours, without using an excessive
amount of disk space.

I do have another problem: running multi-user tests - four "users"
all firing off queries one after the other - I hit this exception
at the start of one run:

   caught a class
   with message: Timed out waiting for

Can anyone explain what's happening here - why does it need a lock
in order to READ the index? Is there something I should be doing different?



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