At 6:33 PM -0700 9/27/06, Carson Gaspar wrote:
> I love the idea. A fork/exec per message always makes me twitch... I have a
> feeling it would also provide better fault-tolerance, especially in a
> replicated filesystem cluster, where you have clear atomic behaviour at
> your disposal.
I agree that fork()/exec() is not an ideal model here, but then
postfix doesn't use that model internally -- it uses a single parent
with multiple child processes, and then hands off sockets. It also
keeps pretty much the entire working queue in memory, as opposed to
single-threading through the filesystem.
I don't see how using Maildir is going to solve any of these
problems. IMO, if we're going to learn from postfix, I think we
should learn the right things and take away the right lessons, and
not just glom onto some alternative technique that has been known to
have a whole host of other problems.
--
Brad Knowles, <[EMAIL PROTECTED]>
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin (1706-1790), reply of the Pennsylvania
Assembly to the Governor, November 11, 1755
Founding Individual Sponsor of LOPSA. See <http://www.lopsa.org/>.
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