Hi, have you considered using imapsync instead?
Nik Conwell wrote:
I'm using the UW mailutil to transfer mailboxes from UW to Cyrus
(2.3.7). It uses APPEND, specifically multiappend (single APPEND with
multiple messages being appended). Cyrus-imapd handles this
multiappend by creating stage files for each appended message and
leaving the file descriptor open. The problem is that after 240
messages, we run out of file descriptors and so an open() of the next
stage file fails with EMFILE. I updated /etc/cyrus.conf to make the
max fds be 1024 (AFAICT kernel MAX) which helped somewhat but not for
larger mailboxes with > 1008 messages.
Shouldn't the multiappend/append be closing the FD for each stage file
and then reopening it later as it needs it?
Do people just tweak their kernels to have some insane number of FDs
available in order to compensate for this?
Or, do people not use mailutil and instead use something that issues
multiple append commands rather than a single append with multiple
e-mails?
-nik
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