MySQL/PostgreSQL in service jails

[Nikolai Lifanov]

On November 8, 2014 4:15:03 PM EST, Konrad Neuwirth <konrad at fimsch.net> wrote:
>Hello,
>
>yet another question from an operational perspective: we’re considering
>putting both our MySQL and our PostgreSQL servers in service jails –
>does that work well? Does that even make sense? 
>
>Thank you, 
> Konrad

I don't know about DragonFly, but in FreeBSD jails you can run MySQL just fine. PostgteSQL needs POSIX semaphores, which are global. Allowing these in a jail would diminish the security value of the separation.
- Nikolai Lifanov