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Date:      Thu, 13 Feb 2020 15:52:56 +0000
From:      tech-lists <tech-lists@zyxst.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: some questions about disk partitioning and filesystems and booting
Message-ID:  <20200213155256.GD14144@bastion.zyxst.net>
In-Reply-To: <CAEJNuHxrVPfU_TB35AEXaq0QdM=p-v0rnuZWtmAgQdm_KRMNTw@mail.gmail.com>
References:  <20200213150229.GC14144@bastion.zyxst.net> <CAEJNuHxrVPfU_TB35AEXaq0QdM=p-v0rnuZWtmAgQdm_KRMNTw@mail.gmail.com>

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On Thu, Feb 13, 2020 at 03:18:51PM +0000, Ottavio Caruso via freebsd-questi=
ons wrote:
>On Thu, 13 Feb 2020 at 15:02, tech-lists <tech-lists@zyxst.net> wrote:
>> The bsdinstaller defaults to 4GB swap. Isn't this insufficient on a 32GB
>> system?
>
>With 32GB RAM you might not even need swap at all, ever. I,
>personally, wouldn't even bother, but that depends on the load.

The load can get rather high:
1. poudriere for a desktop, so lots of ports
2. poudriere will eat swap with a bulk run with the larger ports. I've watc=
hed
it run out of swap then the OS killed the running processes
3. the OS is on the ssd and data (including poudriere) run on zfs.

>> Doesn't swap need to be 2x RAM on a fast disk?
>
>No, this is really an old assumption.

OK, but doesn't it need to be at least the size of RAM if for example a pan=
ic
happens? I thought the contents of RAM were written to swap.

--=20
J.

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