Alex Baer wrote:

Re-creation of index files was unfortunately not done instantly in earlier
versions. For large mbox files it takes ages. The whole concept slows down
actions, such as copying 500 messages from one folder to another one
significantly. It takes so long, at times, that I guess, the index is
recreated for every single message. May I expect that Seamonkey has become a
bit smarter here in recent incarnations?

Indexing and copying operations will be slower with mdir.  For mbox,
only a single file per folder must be indexed.  With mdir, each message
is a file, so in your 500 message folder example, there would be 500 file
opens and closes.  That's a heck of a lot more overhead.  Same for the
copy. 1000 opens and closes.  Mbox should be much faster for such things.

In my mind, the advantage for mdir is with incremental backups, like
Apple Time Machine and search mechanisms like Spotlight.  Receiving
a new message means that only that new file need be backed up, instead
of the whole folder's worth of data.  Presenting messages to Spotlight
is hard in the many messages/file mbox format.

--
Rich        (Pull thorn from address to e-mail me.)
SeaMonkey - Surfing the net has never been so suite!
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