Re: [Mailman3-dev] Re: [RETRANSMIT] Re: [Mailman-Developers] Debate about Mailman on BytesForAll
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On Thu, 26 Aug 2004 16:57:55 -0400 Kevin McCann <kmccann@bellanet.org> wrote:
I've spent some time mucking about in this area and it is a minefield. Very simply, throwing out all of the messy details, there is only one operation which is atomic under the network filesystems: creat (2). The exceptions where creat(2) is not guaranteed atomic are for some of the more obscure cacheing network filesystes which attempt to be resilient across intermittent/bad connectivity and node failures. If you want to account for those filesystems as well then sorry, there's just no guaranteed correct locking methodology.
Yes, it is that bad.
-- J C Lawrence ---------(*) Satan, oscillate my metallic sonatas. claw@kanga.nu He lived as a devil, eh? http://www.kanga.nu/~claw/ Evil is a name of a foeman, as I live.
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At 5:16 PM -0400 2004-08-26, J C Lawrence wrote:
Which is why Nick Christensen built the Earthlink mail system
around this feature. See <http://www.jetcafe.org/~npc/doc/mail_arch.html>.
But I don't see how we can build all of Mailman around the same feature.
-- Brad Knowles, <brad@stop.mail-abuse.org>
"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
SAGE member since 1995. See <http://www.sage.org/> for more info.
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At 5:16 PM -0400 2004-08-26, J C Lawrence wrote:
Which is why Nick Christensen built the Earthlink mail system
around this feature. See <http://www.jetcafe.org/~npc/doc/mail_arch.html>.
But I don't see how we can build all of Mailman around the same feature.
-- Brad Knowles, <brad@stop.mail-abuse.org>
"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
SAGE member since 1995. See <http://www.sage.org/> for more info.
participants (2)
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Brad Knowles
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J C Lawrence