Displaying 2 results from an estimated 2 matches for "mbox_read".
2007 Nov 21
2
File locking problems and duplicate emails with the snarf plugin
Two weeks ago we switched all our IMAP users (around 25,000) from the
Washington IMAP server to Dovecot, and since then there have been
several occasions when reading new email just hangs, and duplicate
emails appear. We are using the 'snarf' plugin to copy new email to the
inbox, and it looks as though the problems are caused by file locking.
We have been using the Washington IMAP server
2007 Jan 19
2
stale locks
...tlocks files (either from dovecot (29 bytes,
hold the pid of the process) or procmail (1 byte) and processes
stucked in Disk Wait state.
The only way I can get ridd of them is to
restart nfslocking
remove the .lock file
change the inode of the mailbox file
locking strategies are
fcntl for mbox_read in dovecot
dotlock fcntl for mbox_write in dovecot
dotlock fcntl for procmail
so I can't figure out why I see such stale locks and processes.
Note : I disabled nfs attribute caching so I avoid cache related
issues (such as a dotlock showing up late, etc...)
Besides, I often see several im...