Date: Tue, 6 May 2014 14:21:43 -0500 From: David Noel <david.i.noel@gmail.com> To: FreeBSD Questions Mailing List <freebsd-questions@freebsd.org> Subject: Swap on ZFS Message-ID: <CAHAXwYA9NBsYTpUGCZ_5f%2B_qDuvS%2BbN9vE4GAZhpRhWVWCwi7g@mail.gmail.com>
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Is swap on ZFS still ill-advised? All the forum, list, and blog posts I find say it's a no-go. Is this still the case? The idea behind it not working is that ZFS needs memory to write to disk, so when you need to swap (are low on memory) ZFS won't be able to write. I found some talk of having a tunable added as a workaround that would reserve a certain amount of memory for ZFS so this wouldn't be a problem, but have no idea if anyone's made any progress towards implementing it.
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