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Date:      Wed, 27 Jan 2016 17:48:00 +0100
From:      Torsten Zuehlsdorff <mailinglists@toco-domains.de>
To:        freebsd-hackers@freebsd.org
Subject:   Re: syslogd(8) with OOM Killer protection
Message-ID:  <56A8F4C0.9090200@toco-domains.de>
In-Reply-To: <alpine.BSF.2.20.1601270932220.30320@wonkity.com>
References:  <CAOfEmZgzL2Ldu53CeSsKcUe00H1VAukhEopSUmpUK0=XAhsD1A@mail.gmail.com> <56A86D91.3040709@freebsd.org> <alpine.BSF.2.20.1601270932220.30320@wonkity.com>

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On 27.01.2016 17:36, Warren Block wrote:

>>> 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.
>
> Possibly simpler to provide a list in one setting than an individual
> setting for each daemon.  With ideas from other posters:
>
>    oomprotect_daemons="crond syslogd"

I like this approach!

Greetings,
Torsten



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