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From "Uwe Schindler" <...@thetaphi.de>
Subject RE: Blocking on IndexSearcher search
Date Wed, 25 Aug 2010 21:42:40 GMT
> Im using Windows and I'll try NIO, good idea, my app is already memory
> hungry in other areas so I guess MMapped is a no go, doe sit use heap or
perm
> memory ?

It uses address space for mapping the files into virtual memory (like a swap
file) - this is why it only works well for 64bit VMs. The used physical
memory depends on your OS cache configuration. Java Heap is not used for
that (in contrast to copying a  file to a RAMDirectory).

Uwe


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