Date: Sat, 31 Jan 1998 11:12:37 -0600 From: Karl Denninger <karl@mcs.net> To: Mike Smith <mike@smith.net.au> Cc: current@FreeBSD.ORG Subject: Re: File Size limit? Message-ID: <19980131111237.39736@mcs.net> In-Reply-To: <199801310723.RAA00987@word.smith.net.au>; from Mike Smith on Sat, Jan 31, 1998 at 05:53:06PM %2B1030 References: <19980131004509.23016@mcs.net> <199801310723.RAA00987@word.smith.net.au>
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On Sat, Jan 31, 1998 at 05:53:06PM +1030, Mike Smith wrote: > > > > What is it under FreeBSD? > > > > I see that _BSD_OFF_T_, which is the parent of the LSEEK argument, is > > defined as "long long". Is this a 64-bit quantity, implying that we have > > file sizes allowed beyond 2GB (or 4GB)? > > That's correct. off_t must be signed (to allow seeking backwards), so > the old limit was 2GB. > > I can vouch that at least basic operations (read, write, mmap() of a > region) work on files > 2GB, as I used this functionality recently. > (Analysis of an atmospheric simulation, if anyone cares.) The reason its important to me is that I have a rdbms application (under Postgresql) on a RAIDified disk pack that has over 32GB of total space. I *already* have tables of over 1G out there... and expect to cross the 2G boundary within a year. Having it blow up in my face would be most "uncool". -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly to FULL DS-3 Service | NEW! K56Flex support on ALL modems Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost
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