Re: silent_mode and LINUX_OOM_ADJ

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.

-- 
Álvaro Herrera <alvherre@commandprompt.com>
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