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From "Michael D. Curtin" <>
Subject Re: Performance and FS block size
Date Fri, 10 Feb 2006 22:30:26 GMT
Otis Gospodnetic wrote:

> Michael,
> Actually, one more thing - you said you changed the store/BufferedIndexOutput.BUFFER_SIZE
from 1024 to 4096 and that turned out to yield the fastest indexing.  Does your FS block size
also happen to be 4k (dumpe2fs output) on that FC3 box?  If so, I wonder if this is more than
just a coincidence...

I should have mentioned that I'm on Lucene 1.4.3.  I changed 
storage/OutputStream.BUFFER_SIZE to 4K.

dumpe2fs gives a block size of 4096.  Pretty strong coincidence, I agree!  :-)


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