On Thu, 2 Jul 2009, Zhu, Lejun wrote:
Actually it seems to be 3/4:
3/4 is an awful lot. That would be 15 GB on my system, which explains
why the "5 seconds to write" rule is dominant.
It seems that both rules are worthy of re-consideration.
There is also still the little problem that zfs is incable of reading
during all/much of the time it is syncing a TXG. Even if the TXG is
written more often, readers will still block, resulting in a similar
cumulative effect on performance.
Bob
--
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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