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...seems that 2.3.7 is slower than 2.3.6 -- mail to the backup >> IMAP box is suddenly taking quite some time to get delivered and is piling up >> in the queue. > > And alas, I had a look at the monitoring and found that disk IO has > increase A LOT after the update: https://www.arschkrebs.de/images/dovecot-disk-io-increase.png > > I zoomed in and found that the sudden increace in IO coincides with > the update to 2.3.7 (14:35): https://www.arschkrebs.de/images/dovecot-io-2.png <https://www.arschkrebs.de/images/dovecot-io-2.png> Do the different disks have different...

We're using dovecot (via LMTP) as a backup for all incoming mail. I upgraded from 2.3.6 to 2.3.7 on the 12th: 2019-07-12 14:35:44 upgrade dovecot-imapd:amd64 2:2.3.6-2~bionic 2:2.3.7-8~bionic and it seems that 2.3.7 is slower than 2.3.6 -- mail to the backup IMAP box is suddenly taking quite some time to get delivered and is piling up in the queue. doveconf -n: ============

* Timo Sirainen via dovecot <dovecot at dovecot.org>: > > And alas, I had a look at the monitoring and found that disk IO has > > increase A LOT after the update: https://www.arschkrebs.de/images/dovecot-disk-io-increase.png > > > > I zoomed in and found that the sudden increace in IO coincides with > > the update to 2.3.7 (14:35): https://www.arschkrebs.de/images/dovecot-io-2.png <https://www.arschkrebs.de/images/dovecot-io-2.png> > > Do the diffe...

One of our squid proxies crashed today. I was able to make a screenshot of it's last utterings - and since ext3 is being mentioned there, I thought I'd mention it here: http://www.arschkrebs.de/images/proxy-cbf-2-crash.png # uname -a Linux proxy-cbf-2 2.6.21 #1 SMP Thu Apr 26 11:17:54 CEST 2007 i686 GNU/Linux # mount /dev/cciss/c0d0p5 on / type auto (rw,errors=remount-ro) tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755) proc on /proc type proc (rw,noexec,nosuid,nodev) sysfs on...

...2019, at 11.15, Ralf Hildebrandt via dovecot <dovecot at dovecot.org> wrote: > > * Timo Sirainen via dovecot <dovecot at dovecot.org>: > >>> And alas, I had a look at the monitoring and found that disk IO has >>> increase A LOT after the update: https://www.arschkrebs.de/images/dovecot-disk-io-increase.png >>> >>> I zoomed in and found that the sudden increace in IO coincides with >>> the update to 2.3.7 (14:35): https://www.arschkrebs.de/images/dovecot-io-2.png <https://www.arschkrebs.de/images/dovecot-io-2.png> >> >...

...ocal/scripts/quota-warning 95 quota_warning3 = storage=1%% /usr/local/scripts/quota-warning 99 which works fine otherwise. -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de In brightest day, in blackest night no evil shall escape my sight!

...g patch!) doesn't work in 1.1rc1 -- I get rejections due to users being over quota, but not a single user gets a warning. -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de The C Programming Language - A language which combines the flexibility of assembly language with the power of assembly language.

...0] -> /usr/local/libexec/dovecot/imap [0x805c361] Feb 27 07:01:45 postamt dovecot: child 16478 (imap) killed with signal 6 -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de Computer /nm./: a device designed to speed and automate errors. -- From the Jargon File.

...mit -c unlimited /usr/local/sbin/dovecot -F So how can I raise the filedescriptor limit above 1024 (linux-2.6.24.2, Debian)? -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de StGB SS328 Absatz 2.3: Mit Freiheitsstrafe bis zu f?nf Jahren oder mit Geldstrafe wird bestraft, wer eine nukleare Explosion verursacht

Due to the ongoing performance issues with 2.0.x I switched back to 1.2.15 yesterday evening, with no changes to the machine or my users. (I migrated from 1.2.15 to 2.0.x by converting the existing config) Today, we have MUCH LESS load, with the same number of logins/min. I cannot say what exactly causes this immense increase in load, but one observation is that the time spent in system() has

...p-login: Internal login failure: user=<username>, method=PLAIN, rip=193.175.174.239, lip=141.42.4.250, TLS What gives? -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) plonk at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de We're using Postfix - it generally seems to take the approach that the message that arrives is the message that gets delivered, without any extra bits being added. -- Chris Stratford

...ionic > > and it seems that 2.3.7 is slower than 2.3.6 -- mail to the backup > IMAP box is suddenly taking quite some time to get delivered and is piling up > in the queue. And alas, I had a look at the monitoring and found that disk IO has increase A LOT after the update: https://www.arschkrebs.de/images/dovecot-disk-io-increase.png I zoomed in and found that the sudden increace in IO coincides with the update to 2.3.7 (14:35): https://www.arschkrebs.de/images/dovecot-io-2.png -- Ralf Hildebrandt Gesch?ftsbereich IT | Abteilung Netzwerk Charit? - Universit?tsmedizin Berlin Campus...

...f "Warning: Growing pool 'Environment' with: 4096" should be in that message :) What does it mean, anyway? -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de Unix IS user friendly - it's just selective about who its friends are.

...ovecot/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory /usr/src/dovecot' make: *** [all] Error 2 -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) plonk at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de Any technology sufficiently advanced is indistinguishable from magic.

...1:51:12 postamt dovecot: child 24406 (login) killed with signal 6 This is dovecot-1.0.2 -- is this something to worry about? -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) plonk at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de There are two ways to write error-free programs. Only the third one works.

...n (ioloop=0x81009b0) at ioloop.c:301 #13 0x08069f5d in main (argc=Cannot access memory at address 0x34da) at main.c:293 (gdb) -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de FreeBSD for x86 feature completeness, NetBSD for portability/quality, OpenBSD for "proactive security" and making the system administrator jump through hoops and spit over the left shoulder to make anything work as expected.

...ing 1.1.4, and I reset the quotas for my users by just taking the first line of their maildirsize file and deleting the rest. -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de I'm looking for a job "A man who won't die for something is not fit to live." -Martin Luther King, Jr.

...start_main+0xe0) [0xb7dc8030] -> imap [0x8058361] Aug 16 16:59:38 postamt dovecot: child 11760 (imap) killed with signal 6 -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) plonk at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de Do not worry about your problems with mathematics, I assure you mine are far greater. -- Albert Einstein

...iss!c0d0p10:8 [ 242.379345] EXT4-fs: delayed allocation enabled [ 242.379410] EXT4-fs: file extents enabled [ 242.379594] EXT4-fs: mballoc enabled [ 242.379662] EXT4-fs: mounted filesystem cciss!c0d0p10 with writeback data mode During boot I get these errors (Resize inod not valid): http://www.arschkrebs.de/images/ext4-1.png and the manual fsck reports: http://www.arschkrebs.de/images/ext4-2.png WTF is going on? This hapens even when I just recreate the filesystem. -- Ralf Hildebrandt Gesch?ftsbereich IT | Abteilung Netzwerk Charit? - Universit?tsmedizin Berlin Campus Benjamin Franklin H...

...oop-epoll.c:201 #12 0x080d5038 in io_loop_run (ioloop=0x81039b0) at ioloop.c:301 #13 0x08069f3d in main (argc=) at main.c:293 -- Ralf Hildebrandt (Ralf.Hildebrandt at charite.de) snickebo at charite.de Postfix - Einrichtung, Betrieb und Wartung Tel. +49 (0)30-450 570-155 http://www.arschkrebs.de DRM is Theft