Date: Mon, 3 Oct 2011 15:13:42 -0700 From: Xin LI <delphij@gmail.com> To: Olivier Smedts <olivier@gid0.org> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>, Ivan Voras <ivoras@freebsd.org> Subject: Re: is TMPFS still highly experimental? Message-ID: <CAGMYy3s7RrP8oWC%2BJYgSG3hU1EXgKmnf%2BWQRiE2CDu4bHuz3UA@mail.gmail.com> In-Reply-To: <CABzXLYNLhP%2BYFvT5Sw=hKVF6d_Yvmt%2Be_QjH7ghX-2MyzS0wWA@mail.gmail.com> References: <CAOfDtXMm9K_fbOmvG2gvXxDfKakkgpPt9MLifqDxa4wCibMExg@mail.gmail.com> <alpine.GSO.1.10.1110011122030.882@multics.mit.edu> <CADLo83-s_3H8PbbxOPPxbe0m10U0U5JW-feB294dFs%2BQ3iTWvg@mail.gmail.com> <CAGMYy3ssi%2BkAuufDTHA1z6u7jRrZwRRkCCkcO94GHNGF9Rku_w@mail.gmail.com> <20111002020231.GA70864@icarus.home.lan> <CAGMYy3sCCxOiVqeP4PVbvxnpcyoyQZoL%2Bw3nY8STYnpUNfj6JQ@mail.gmail.com> <j6aorc$hf0$1@dough.gmane.org> <CAGMYy3tbMWU6JU1%2B%2B5XmzjZTrV1=oAgRaaDE3-=MMT73F_ojQQ@mail.gmail.com> <CABzXLYNLhP%2BYFvT5Sw=hKVF6d_Yvmt%2Be_QjH7ghX-2MyzS0wWA@mail.gmail.com>
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On Mon, Oct 3, 2011 at 2:36 PM, Olivier Smedts <olivier@gid0.org> wrote: [...] > Try reducing the swap size to less than the RAM size. No "configuration > issue", try with some RAM + swap that should fit all. But it's not ZFS+tmpfs specific, it can happen anywhere when memory and swap is not sufficient. Of course tmpfs and ZFS should play more well together but it's pretty much a "you get what you paid for" situation IMHO. One thing I can not yet reproduce, but sounds like a serious issue is that when system have sufficient RAM available, ZFS reports 0 in free space... If there is a test case for that then that's definitely something we need to solve sooner. Cheers, -- Xin LI <delphij@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die
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