On Sun, Feb 27, 2005 at 06:51:32PM -0600, Ron Johnson wrote: > That seems awfully huge. In my (Maildir) archive of d-u, the > average size is 4,959 bytes. Of course, there are no html mails. > Though, even in my Evolution list archive, where there are many > more html-mails, the average size is only 6,097. i came up with the number by totalling the mailbox sizes of a 3000 user mail system, and then dividing by the total number of messages in these mailboxes. this generated a number around 13k average message size. i had to do this as part of assessing the feasability of migrating to maildir without reformatting the filesystem. > > recent versions of kernel/ext2/ext3 have built-in dirent hashing, which > > cuts heavily on the many-files penalty. another benefit of maildir > > is that when you modify a single message, you only need to modify the > > I thought it was "illegal" to modify a message. marking a message as read is one example. moving a message from one mailbox to another is another example. although it's not modifying the message itself, it's moving its location, which with a crappy imap server can mean re-writing the contents of two mailboxes. sean --
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