On Mon, 2 Jul 2012, Iwan Aucamp wrote:

I'm interested in some more detail on how ZFS intent log behaves for updated done via a memory mapped file - i.e. will the ZIL log updates done to an mmap'd file or not ?

I would to expect these writes to go into the intent log unless msync(2) is used on the mapping with the MS_SYNC option.

Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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