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tmpfs now operational in development branch


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 16 Feb 2010 12:46:35 -0800 (PST)

    We now have a very nice port by Naoya Sugioka of TMPFS from NetBSD
    in our main development branch.  It is brand new and still considered
    experimental but should be reasonably stable.

    TMPFS is a better alternative to MFS and MD for temporary filesystems.
    It doesn't have the data duplication issue that MFS has and its data
    is swap-backed using a very nice algorithm that only pages data to swap
    when the system is under real memory pressure (and not due to buffer
    cache flushes, fsyncs, or anything else).

					-Matt
					Matthew Dillon 
					<dillon@backplane.com>



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