syslogd(8) with OOM Killer protection

[Pavel Timofeev]

2016-01-27 10:28 GMT+03:00 Baptiste Daroussin <bapt at freebsd.org>:
> On Wed, Jan 27, 2016 at 02:11:13AM -0500, Allan Jude wrote:
>> On 2016-01-27 01:21, Marcelo Araujo wrote:
>> > Hi guys,
>> >
>> > I would like to know your opinion about this REVIEW[1].
>> > The basic idea is protect by default the syslogd(8) against been killed by
>> > OOM with an option to disable the protection.
>> >
>> > Some people like the idea, other people would prefer something more global
>> > where we can protect any daemon by the discretion of our choice.
>> >
>> > Thoughts?
>> >
>> >
>> > [1] https://reviews.freebsd.org/D4973
>> >
>> >
>> > Best,
>> >
>>
>> I do like the idea of generalizing it, say via rc.subr
>>
>> So you can just do:
>>
>> someapp_protect=YES (and maybe syslogd has this enabled by default in
>> /etc/defaults/rc.conf) and it prefixes the start command with protect -i.
>>
> I do support that idea, I think it is will be useful to more people.
>
> Bapt

I'm one that people. I find this generilized way very usefull.
I have least a couple of daemons that it'd never wanted to be OOMed on
my machines. Besides syslogd, I'd protect sshd and even crond in some
cases.