Scalable Mail solution with NAS
Lyndon Nerenberg
lyndon at gollum.esys.ca
Wed Jan 31 20:05:08 UTC 2001
[ This belongs in comp.mail.misc. ]
>>>>> "Sebastien" == Sebastien Berube <sberube at zeroknowledge.com> writes:
Sebastien> 2. The more mailboxes you have, the slower the entire
Sebastien> popping process will be. The reason is very simple,
Sebastien> each pop process will spawn and read your mailbox
Sebastien> directory.
You have a highly deficient pop server implementation. The fork-on-connect
model is dead. A well written threaded server can handle tens of thousands
of concurrent connections.
Sebastien> /export/mailboxes/j/o/h/n/johndoe.mbox
That just moves the problem around. Traversing those intermediate
directories isn't exactly a light-weight set of operations.
Sebastien> Although this example is not good in the case where you
Sebastien> accept usernames with 3 or less characters.
A proper hashing algorithm would solve that.
--lyndon
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