I must say, I think you lost me :-]
I understand the concern of having multiple users append the same file with no locking. But I'm not sure I follow either of your guys solutions to get around that..
On Oct 21, 2004, at 10:09 AM, David Grimberg wrote:
On Oct 20, 2004, at 5:51 PM, Nate Sanders wrote:.tmda/conf: CONFIRM_APPEND = "/home/tmda/confirmed" PENDING_BLACKLIST_APPEND = "/home/tmda/blacklist" PENDING_WHITELIST_APPEND = "/home/tmda/whitelist"
I'm not sure this will be reliable - you'll end up with each user's TMDA process potentially running in parallel and wishing to update the lists at the same time. I don't believe TMDA has the locking required to make this work, without the potential for losing data.
I'm not sure if t would be reliable using data files either, but I seem to
recall some discussion in the past about the atomicity of the append
processes. If however, your lists are maintained in a database you could
safely use the DB_BARE_APPEND and DB_CONFIRM_APPEND config vars to maintain
the global lists ([auto] CDB and DBM lists may also work for this). In fact
since these would be global lists appended to by all the potential for
having a large number of entries is quite good, so a DB based list would be
of benefit.
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