On Aug 12, 2009, at 2:21 AM, Steffen Kaiser wrote: -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1 On Tue, 11 Aug 2009, Eric Jon Rostetter wrote: For a massively scaled system, there may be sufficient performance to
put the queues elsewhere. Which also allows that the queue can easily have multiple machines Pushing is easy. Popping can be more problematic, depending on varios But on a small system, with 90% of the mail
being spam/virus/malware, performance will usually dictate local/
memory
file systems for such queues... Well, this discussion reads a bit like "local filesystems are prone The issue I brought up is OS caching and is not dependent on the However, I guess that Seth and Timo look at the thing from a Well Timo looks at it from dovecot's point of view. I look at it from a mail server's point of view (MTA also, etc). Bye, iQEVAwUBSoJtbnWSIuGy1ktrAQKj9Af/ajuegRCmDRZq/E7vt3EwDxd6ob8bNaY0
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pushing & poping items.
factors.
to loose data on crash".
Journaling filesystems, RAID1 / 5 / 10, SANs do their job.
backend really. Only real solution is redundent storage AND disabling
OS caching, which is not cheap and won't be the best performance.
Always a tradeoff.
different point of view, Timo seems to focus on "one queue -
multiple accessees", whereas Seth focuses on temporary working
directory.