On 04/24/2012 10:08 AM, Timo Sirainen wrote:
25934 jeff 1 103 0 135M 102M CPU2 2 128:47 100.00% doveadm
Looks like it could be in an infinite loop. To find out where:
That's a lot of getdirentries() calls in there, repeating all the time. So I
don't think it's an infinite loop, just a lot of slowness repeating the same
work over and over again. See if it helps if you add:
maildir_very_dirty_syncs = yes
I hope I understood correctly when I tried
$ dsync -Dv -o maildir_very_dirty_syncs=yes backup maildir:~/Maildir
into fresh directories (moving the previous Maildir aside).
I didn't see any significant change (and it did not complete in several
hours) on the usual UFS directory, and have also tried ZFS to see if it
might be a filesystem issue. That has not completed either after over
nine hours.
From what I can see, I am guessing that it is "hanging" in index
creation. Below, "mail" is the source directory, and "Maildir" is the
destination of the sync. This is about nine hours of run time.
[jeff@mail ~]$ ls -Al mail/.imap/cron_2010-07-10
total 9
-rw------- 1 jeff jeff 4910320 Feb 22 2011 dovecot.index
-rw------- 1 jeff jeff 3600384 Apr 25 01:18 dovecot.index.cache
-rw------- 1 jeff jeff 56 Feb 22 2011 dovecot.index.log
[jeff@mail ~]$ ls -Al Maildir/.cron_2010-07-10
total 26
drwx------ 2 jeff jeff 102291 Apr 25 01:17 cur
-rw------- 1 jeff jeff 36 Apr 25 01:18 dovecot-keywords
-rw------- 1 jeff jeff 4122971 Apr 25 01:17 dovecot-uidlist
-rw------- 1 jeff jeff 24 Apr 25 07:19 dovecot-uidlist.lock
-rw------- 1 jeff jeff 1637008 Apr 25 07:03 dovecot.index
-rw------- 1 jeff jeff 9442304 Apr 25 07:19 dovecot.index.cache
-rw------- 1 jeff jeff 87984 Apr 25 07:19 dovecot.index.log
-rw------- 1 jeff jeff 1048600 Apr 25 07:03 dovecot.index.log.2
-rw------- 1 jeff jeff 0 Apr 24 22:12 maildirfolder
drwx------ 2 jeff jeff 2 Apr 24 22:12 new
drwx------ 2 jeff jeff 2 Apr 25 01:17 tmp
