Re: silent_mode and LINUX_OOM_ADJ

On 27.06.2011 10:23, Magnus Hagander wrote:
> On Fri, Jun 24, 2011 at 16:37, Alvaro Herrera
> <alvherre(at)commandprompt(dot)com> wrote:
>> Excerpts from Heikki Linnakangas's message of vie jun 24 07:01:57 -0400 2011:
>>> While reviewing Peter Geoghegan's postmaster death patch, I noticed that
>>> if you turn on silent_mode, the LINUX_OOM_ADJ code in fork_process()
>>> runs when postmaster forks itself into background. That re-enables the
>>> OOM killer in postmaster, if you've disabled it in the startup script by
>>> adjusting /proc/self/oom_adj. That seems like a bug, albeit a pretty
>>> minor one.
>>>
>>> This may be a dumb question, but what is the purpose of silent_mode?
>>> Can't you just use nohup?
>>
>> I think silent_mode is an artifact from when our daemon handling in
>> general was a lot more primitive (I bet there wasn't even pg_ctl then).
>> Maybe we could discuss removing it altogether.
>
> If I'm not entirely mistaken, it's on by default in SuSE RPMs. I don't
> have a box with access right now, but I've come across it a couple of
> times recently with clients, and I think that's how it is. Might want
> to doublecheck with the suse maintainer if there's a particular reason
> they do that...

Yep, seems to be so. Max, you're the maintainer of the PostgreSQL SuSE
RPMs, right? Can you comment on the above?

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com