Date: Sun, 2 Oct 2011 02:09:12 -0700 From: Xin LI <delphij@gmail.com> To: krad <kraduk@gmail.com> Cc: freebsd-fs@freebsd.org, Adrian Chadd <adrian@freebsd.org>, delphij@freebsd.org Subject: Re: is TMPFS still highly experimental? Message-ID: <CAGMYy3sx47YDVTrTbnojwAmmtUGGbjBhW2a6eobvnuCw3Jenew@mail.gmail.com> In-Reply-To: <CALfReycp1WBORhtPGdZuEKVoD%2Be1QEoUAo=-ScNPrSX1GUuQNw@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> <CADLo839qN8k0UJvSS5TQAB4yfDCBWQ=EkuKpdtmMV19xECME4w@mail.gmail.com> <CALfReycp1WBORhtPGdZuEKVoD%2Be1QEoUAo=-ScNPrSX1GUuQNw@mail.gmail.com>
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On Sun, Oct 2, 2011 at 2:01 AM, krad <kraduk@gmail.com> wrote: > It may seem a silly question, but I have been wondering about tmpfs and zfs, > and whether there is any point to mixing the two? > > Surely if you have frequently accessed files under /tmp they are going to be > in the arc or l2arc anyway so fairly speedy, or am I missing the point of > tmpfs? tmpfs is useful when persist storage is unnecessary -- when system goes off (or rebooted) the data are dropped. If you use a normal file system then persist semantics are obeyed say, if you do sync(), data is being flushed into data, etc. Cheers, -- Xin LI <delphij@delphij.net> https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die
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