Hi, Tanstaafl! On Jun 18, Tanstaafl wrote: > Hi all, > > I'm very inexperienced mariadb/mysql/sql user/admin, but not totally > clueless, been maintaining a tiny mysql DB for postfixadmin for years, > then converted it to mariadb. > > We recently started using SOGo (groupware). I hired the SOGo guys to > help with the install/config, and have been using it trouble-free for a > few months now (love it for the most part), until now. > > Everything seems to be working fine, but since the upgrade to SOGo 2.2.4 > on 6/12, which I am told increases the number of connections it uses to > the DB, I have been getting very occasional errors like this (the system > error is always either 104 or 0): > > 2014-06-12 03:30:15.530 sogo-tool[31674] ERROR: could not open MySQL4 > connection to database 'sogo': Lost connection to MySQL server at > 'reading authorization packet', system error: 104 > <0x0x236c140[GCSChannelManager]> could not open channel > <MySQL4Channel[0x0x22241b0] connection=0x(null)> for URL: > mysql://user:[email protected]:3306/sogo/sogo_sessions_folder > <0x0x236c140[GCSChannelManager]> will prevent opening of this channel > 5 seconds after 2014-06-12 03:30:01 -0400 > 2014-06-12 03:30:15.531 sogo-tool[31674] Can't aquire channel > > But it only happened once per day after the upgrade, then once it > happened twice (about 12 hours apart), and it happened at times when the > load would be the lowest (ie, 3:30am for the one above).
MySQL4 - what does it mean? Using the protocol as it existed in MySQL version 4.x? The connector - does SOGo use libmysqlclient of some specific version? Does it have its own implementation of MySQL protocol? Regards, Sergei _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : [email protected] Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp

