Op 10/17/2016 om 3:24 PM schreef Ralf Hildebrandt: > Currently I'm having massive problems with LMTP delivery into dovcot. > dovecot/lmtp processes are piling up, eas using considerable amounts > of CPU: > > # ps auxwww|fgrep dove > > root 20537 0.0 0.0 18124 1196 ? Ss 15:18 0:00 > /usr/sbin/dovecot -c /etc/dovecot/dovecot.conf > dovecot 20541 0.0 0.0 9620 1084 ? S 15:18 0:00 dovecot/anvil > root 20542 0.0 0.0 9752 1264 ? S 15:18 0:00 dovecot/log > root 20544 0.0 0.0 21168 2276 ? S 15:18 0:00 > dovecot/config > copymail 20580 72.8 0.0 39556 7036 ? R 15:18 2:00 dovecot/lmtp > dovecot 20582 0.0 0.0 18568 1756 ? S 15:18 0:00 dovecot/auth > copymail 20597 77.2 0.0 35688 5136 ? R 15:18 2:06 dovecot/lmtp > copymail 20598 39.3 0.0 38060 5596 ? R 15:18 1:04 dovecot/lmtp > copymail 20613 62.3 0.0 38036 5600 ? R 15:18 1:41 dovecot/lmtp > copymail 20619 56.4 0.0 37732 7448 ? R 15:18 1:31 dovecot/lmtp > copymail 20620 75.9 0.0 35872 5336 ? R 15:18 2:03 dovecot/lmtp > copymail 20627 37.8 0.0 36480 5892 ? R 15:18 1:01 dovecot/lmtp > copymail 20838 60.5 0.0 35640 5036 ? R 15:19 0:59 dovecot/lmtp > copymail 20840 66.3 0.0 35920 5296 ? R 15:19 1:04 dovecot/lmtp > copymail 20841 66.0 0.0 37456 6852 ? R 15:19 1:04 dovecot/lmtp > copymail 20842 64.5 0.0 36424 5808 ? R 15:19 1:02 dovecot/lmtp > copymail 20843 67.6 0.0 39612 7064 ? R 15:19 1:05 dovecot/lmtp > > doveadm stop won't stop these, I have to use kill -9 on them. > I already tried disabling fts (entirely), still things won't speed up. > > I can't strace: > # strace -p 20841 > Process 20841 attached > > (and that's it) > > # dpkg -l|grep dovecot > ii dovecot-core 2:2.2.25-1~auto+57 amd64 secure > POP3/IMAP server - core files > ii dovecot-imapd 2:2.2.25-1~auto+57 amd64 secure > POP3/IMAP server - IMAP daemon > ii dovecot-lmtpd 2:2.2.25-1~auto+57 amd64 secure > POP3/IMAP server - LMTP server > ii dovecot-lucene 2:2.2.25-1~auto+57 amd64 secure > POP3/IMAP server - Lucene support > ii dovecot-sieve 2:2.2.25-1~auto+57 amd64 secure > POP3/IMAP server - Sieve filters support > > I also tried deleting the mdboxes, that also didn't change anything. > Ideas?
We'll need the `dovecot -n` output first. Also, you could attach gdb to one of these processes and find out where it is stuck in what looks to be an infinite loop (produce a backtrace). Regards, Stephan.
