Date: Fri, 3 Feb 2017 16:30:51 +1100 From: Peter Jeremy <peter@rulingia.com> To: Giulio Ferro <auryn@zirakzigil.org> Cc: freebsd-hackers@freebsd.org Subject: Re: Leak in file backed swap Message-ID: <20170203053051.GA90481@server.rulingia.com> In-Reply-To: <2ba8c327-56c9-e0ff-e449-a583b6106540@zirakzigil.org> References: <2ba8c327-56c9-e0ff-e449-a583b6106540@zirakzigil.org>
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--J2SCkAp4GZ/dPZZf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2017-Feb-02 15:59:36 +0100, Giulio Ferro <auryn@zirakzigil.org> wrote: >FreeBSD 11-Stable recent build. > >I've set up a FreeBSD instance in AWS with 1GB RAM. > >and I created a 1GB file under /usr on the instance FS and proceeded to=20 >mount it as swap. > >Even if the machine isn't doing anything, after one day or less the=20 >machine becomes unresponsive I've used swap to UFS and swap to NFS on a number of hosts without problem. If your /usr was on ZFS then this is a known issue (ZFS is CoW and there are known problems dealing with RAM shortage). If not, can you please give more precise details of your configuration. --=20 Peter Jeremy --J2SCkAp4GZ/dPZZf Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJYlBWLXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFRUIyOTg2QzMwNjcxRTc0RTY1QzIyN0Ux NkE1OTdBMEU0QTIwQjM0AAoJEBall6Dkogs0X3YP/25WpdRA7CRl7VvnjSUDgof6 s+tgOrEyUxnxCzOLgDihFciyR3uDZR5rjRBXNjQyDKVRePkOU8V7nOa0yWnz7gsD t1Vj9hL2j1aVlfuRG1yPAtmYdPgqb2rRI1OwltWgh+7dBjyA4U03XWPsnuw+yYTd WwUhEFdlYV/jCiQE6nzsg6cljECvDU72l3sfyqYUwacieZd0boJapE83CLqUgs3s GZucrqHmQlnsjo+7I9JZGJFz4VG9qlLF5EgJv9jvMzHTj0SFuHvUn1HieTJQX6xU IBxwYgsDL2mfr2qFoHG+tZ04QeXM3XihtmA2ZxxEucbAGgHFxOhJnvw8c2KHRxyI JRW75nbXiHIgXRWvyw9VRvApiOecY35nPfpnqemQuIXD/2IhFBA9sbflvfO3iA4j 2qjtlK8S2fk4Er2DMVv6tihQZODbk1JkLm6dTpU1PbEGZjH4B5sjmT+dpYUIs8vP BIYPMgMNmFHJjNPlZjeTcC1OsbzMfAKtAm4UKXnj8nGZcAjEJLrw5PapDtMnKLe5 jcCyqgXR2ot4EePzxYZ5VH38AiWyzZxpp9Kx/9e18WaERXfNLIz7hq4jl3gkpZFl hOqZWpJIRBrGZSZIvABCwFcKGlMLwQJPgVWTEFpgg23l7S2IQuPkd/UYWSGfpgZ3 yD2Bk/r5eLGTwz1OS0Zo =uhXn -----END PGP SIGNATURE----- --J2SCkAp4GZ/dPZZf--
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