pkg solver question
Doug McIntyre
merlyn at geeks.org
Wed Jan 20 19:09:32 UTC 2021
On Wed, Jan 20, 2021 at 12:06:20PM -0600, Valeri Galtsev wrote:
> It is worth warning, indeed. Luckily for me I use postgresql for really
> long time, do I do know to migrate postgresql to new version postgresql
> way. There is postgresql command for that:
>
> pg_upgrade
>
> to successfully use that command you do need both older postgresql
> version binaries (and libraries), and new ones to exist on your machine
> simultaneously. And you do have to have enough space for postgresql old
> and new data...
Which can't happen if you use pkg binaries, because they are exclusive...
There is actually a warning that you'll need a database upgrade....
Which comes _AFTER_ all the old stuff has been removed, and the new
installed, and potentially have broken your existing DB files..
postgresql tends to get 'pkg lock' on my machines until I want to look/deal with it.
Same with syslog-ng (which randomly requires you to touch the config
file and increment the version # of it or the service refuses to
start), and courier-imap (which had a major change from 4.x to 5.x
that broke everything without you fixing up every single mail folder
on your server by hand (with a utility), and changes it's behavior to
be 8-bit right by the standards, but not compatible).
I do wish there was a way to have pkg have multiple versions
installed. And a way for the pkg repos to keep old versions around
instead of being replaced when built.
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