> Two questions: > 1. But before I ask this one: I don't deny that per-file append-only > is *extremely* useful. My question is a different one: what is > the danger of N clients accesing the file X in append-only mode > and M clients accesing it in random access mode? Could you, > please, give a concrete scenario?
credit geoff for bringing this up: upas mailboxes. suppose you have upas/deliver trying to deliver a message and at the same time you have upas/fs trying to rewrite the mailbox. (play along for a bit. ignore L.mbox and the temporary mbox tricks.) - erik
