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From Vijay B <>
Subject MMapdirectory
Date Mon, 15 Dec 2014 15:08:11 GMT
> Finally we are seeing great improvement once we switch to 64-bit java and
> MMapDirectory. Our Test run (multiple requests) used to take 26 minutes on
> 32-bit and is now improved to 10 minutes on 64-bit java.
> We load stored documents from lucene and pass the documents to a third
> party libray (closed source) for further processing (Note: we can not
> utilize inverted index for this processing).  The third party library is
> memory intensive and it needs around 10GB of heap memory for our load. We
> have a cap of 16GB system memory available and our index is of 8GB in size
> so that means only 6GB is available for fscache. I would like to hear views
> on this kind of configuration.
> reference:

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