maria-developers team mailing list archive

[Gordan Bobic <gordan@xxxxxxxxxx>]

On Fri, 26 Apr 2013 17:41:14 +0200, Reindl Harald 
<h.reindl@xxxxxxxxxxxxx> wrote:
> * because wrapper-scripts are a bad idea on modern
>   linux distributions and mysqld_safe is not needed there

See below.

> * because rpmbuild's automatic depsolve get useless without
> * because 99 out of 100 applications have configure-switches
>   to build with- or without optional libraries BUT the resulting
>   binary has clear dependencies
> * because LD_PRELOAD is nothing more than a hack

It's an extremely useful hack that gets the job done in the cleanest
way in cases where upstream distro maintenance committee's one size
happens to not fit all.

> example why mysqld_safe is no longer needed and this
> runs in production since 2011 on a couple of servers
>
> [root@srv-rhsoft:~]$ systemctl status mysqld.service
> mysqld.service - MySQL Database
>    Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled)
>    Active: active (running) since Mi 2013-04-24 19:20:45 CEST; 1 day 
> 22h ago
>  Main PID: 2312 (mysqld)
>    CGroup: name=systemd:/system/mysqld.service
>            └─2312 /usr/libexec/mysqld --defaults-file=/etc/my.cnf
> --pid-file=/var/run/mysqld/mysqld.pid
> --socket=/var/lib/mysql/mysql.sock --open-files-limit=500000
> --basedir=/usr --user=mysql

The only argument you are even close to making here is that mysqld_safe
should be folded into mysqld.service, or whatever your $init uses.
There is a good argument for keeping the common things in mysqld_safe
and keeping the init script as minimal as possible to avoid having
to maintain multiple complex init script for distributions using 
different
inits (sysvinit, upstart, systemd, etc.).

Gordan