On Sun, 14 May 2017 23:34:39 +0300 Timo Sirainen wrote: > On 12 May 2017, at 5.14, Christian Balzer <ch...@gol.com> wrote: > > > > > > Hello, > > > > Dovecot 2.2.27 (Debian Jessie backports). > > > > When issuing a "doveadm kick" for a specific user I was greeted by: > > --- > > "warning: other connections would also be kicked from following users:" > > --- > > and a list of 22odd thousand users. > > > > As it turns out, kick wants to smack the hibernation proces(ses) that > > have hibernated sessions for this user, obviously the wrong approach here. > > Kicking in backends works by sending a signal to the mail processes. It would > be nice to support other ways also, but that would require larger changes. > It's probably something you'll need to address sooner or later, given that I'm pretty sure that kick isn't the only thing assuming (wrongly) that there's just one user per mail process.
> > If there's doveadm command to wake up and thus un-hibernate sessions for a > > specific user this could be used as a workaround but a quick glance > > suggest no such thing. > > If you change the dovecot.index.log of any of the folders where the user is > IDLEing, that'd do it. I think just find /user 'dovecot.index.log' | xargs > touch would work. > That doesn't work for me at all. Before and after touching the dovecot.index.log files: --- # ps aux |grep chibi mail 884727 0.0 0.0 24360 9176 ? S May14 0:00 dovecot/imap [ch...@notgol.com xxx.xxx.7.126 IDLE] # doveadm who |grep chibi username # proto (pids) (ips) ch...@notgol.com 8 imap (884727 877825 119157) (xxx.xxx.7.126 xxx.xxx.0.144 xxx.xxx.244.134) # ps aux |grep hibernate dovecot 119157 0.3 0.0 63448 56372 ? S Apr01 247:20 dovecot/imap-hibernate [16361 connections] dovecot 877825 0.3 0.0 61776 54628 ? S Apr23 115:39 dovecot/imap-hibernate [10098 connections] --- Note that I have "maildir_very_dirty_syncs = yes" set, but that shouldn't cause this based on the comment in the config blob. > > This functionality is absolutely crucial for us as we need this for our > > custom mailbox migration functionality. > > > > If there's no workaround or fix within 2 months I'll be forced to disable > > hibernation again (with a heavy heart). > > How about doveadm director kick / doveadm proxy kick? > Just proxy here. While that would work, it would require of course new code connecting to the proxies (maintain a list as well) in sequence. Something that doesn't scale too well, since we aim to keep the mailboxes in a locked state for as short as possible. OTOH if the "waking up" part above can't be made to work, I guess this is at least a way forward for the time being. Christian -- Christian Balzer Network/Systems Engineer ch...@gol.com Global OnLine Japan/Rakuten Communications http://www.gol.com/
