Op 25-12-16 om 06:36 schreef Samuel Thibault: > Paul van der Vlis, on Sun 25 Dec 2016 01:34:15 +0100, wrote: >> I would like it when >> desktop users could get a message that programms has to be restarted. >> Not sure this is important for servers too, I would think so. > > In a mail server we have, the mysql upgrades are problematic: while the > sql server is off, postgresql reports that mailboxes (whose entries are > stored in the sql database) don't exist, i.e. a permanent fatal error, > and mails then get lost. We haven't found how to make postgresql return > a temporary error instead, and so we have to be careful, when upgrading > mysql, to keep postgresql stopped until mysql is restarted.
If you upgrade a program what's running, there is a difference between what's in memory and what's on the disk. Sometimes this gives problems, and it would be good the get a message that the program has to be restarted. That is what I wanted to say. With regards, Paul van der Vlis. -- Paul van der Vlis Linux systeembeheer Groningen https://www.vandervlis.nl/