Date: Wed, 29 Jul 2015 23:11:40 -0700 From: Doug Hardie <bc979@lafn.org> To: Doug Hardie <bc979@lafn.org> Cc: FreeBSD Stable ML <stable@freebsd.org> Subject: Re: Swap Usage Message-ID: <FEC9F7B7-02D0-41C0-ACFA-967DF8B8916C@lafn.org> In-Reply-To: <BCA67F7E-676A-4226-83A0-84229948895E@lafn.org> References: <BCA67F7E-676A-4226-83A0-84229948895E@lafn.org>
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> On 29 July 2015, at 17:41, Doug Hardie <bc979@lafn.org> wrote: >=20 > I have several FreeBSD 9.3 systems that are using swap and I can=E2=80=99= t figure out what is doing it. The key system has 6GB swap and = currently it has over 2GB in use. ps shows only a kernel module [intr] = with a W status. Obviously that isn=E2=80=99t using the space. No = other process shows a W in its status. I suspect this is somewhat = related to the use of mmap in one application. However, all of the = mmaps in that application are file backed and thus shouldn=E2=80=99t use = swap. How do I figure out what that swap space is being used for? UFS although that shouldn=E2=80=99t matter. Swap does not use a file = system. If it did, it would be easy to figure out. Top doesn=E2=80=99t show much. =20=
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