hi,
> On Fri, Nov 18, 2011 at 06:31:21AM +, YAMAMOTO Takashi wrote:
> > >> postgresql assumes instant lseek(SEEK_END) to get the size of
> > >> their heap files.
> > >>
> > >> http://rhaas.blogspot.com/2011/11/linux-lseek-scalability.html
> > >>
> > >> as fsync etc keeps the vn
At Fri, 18 Nov 2011 16:27:53 +0200, Alan Barrett wrote:
Subject: Re: language bindings (fs-independent quotas)
>
> On Fri, 18 Nov 2011, Manuel Bouyer wrote:
> >> Assuming that there's no need to handle fields with embedded
> >> spaces, perl's split() function will DTRT.
> >
> > No, it does not be
On Mon, 21 Nov 2011 08:45:52 +
Emmanuel Dreyfus wrote:
> On Mon, Nov 21, 2011 at 03:26:35AM -0500, Matthew Mondor wrote:
> > I seem to remember you previously writing about using puffs/rump on
> > netbsd-5, is that still on netbsd-5?
>
> I use PUFFS on netbsd-5, and fixed a few bugs in it, s
On Mon, Nov 21, 2011 at 04:51:51PM +0100, Manuel Bouyer wrote:
> On Mon, Nov 21, 2011 at 09:47:43AM -0600, Eric Haszlakiewicz wrote:
> > On Fri, Nov 18, 2011 at 01:15:47PM +0100, Manuel Bouyer wrote:
> > > On Fri, Nov 18, 2011 at 07:46:21AM +0200, Alan Barrett wrote:
> > > > Assuming that there's n
On Mon, Nov 21, 2011 at 09:47:43AM -0600, Eric Haszlakiewicz wrote:
> On Fri, Nov 18, 2011 at 01:15:47PM +0100, Manuel Bouyer wrote:
> > On Fri, Nov 18, 2011 at 07:46:21AM +0200, Alan Barrett wrote:
> > > Assuming that there's no need to handle fields with embedded spaces,
> > > perl's split() func
On Mon, Nov 21, 2011 at 09:20:36AM +0100, Pawel Jakub Dawidek wrote:
>
> Could you tell more about performance characteristics of your
> implementation? If I read the code correctly, you also use single mutex
> in cprng_strong() around all the work. The simplest scalability test is
> to run 'dd if
On Fri, Nov 18, 2011 at 01:15:47PM +0100, Manuel Bouyer wrote:
> On Fri, Nov 18, 2011 at 07:46:21AM +0200, Alan Barrett wrote:
> > Assuming that there's no need to handle fields with embedded spaces,
> > perl's split() function will DTRT.
>
> No, it does not because there are fields that can be em
On Mon, Nov 21, 2011 at 03:26:35AM -0500, Matthew Mondor wrote:
> I seem to remember you previously writing about using puffs/rump on
> netbsd-5, is that still on netbsd-5?
I use PUFFS on netbsd-5, and fixed a few bugs in it, so you defintively
need latest netbsd-5 to avoid bugs. I nevver used rum
On Mon, 21 Nov 2011 08:04:46 +
Emmanuel Dreyfus wrote:
> FWIW I spent weeks tracking down a file corruption bug on growing giles
> in PUFFS because VOP_GETATTR operates on an unlocked vnode. If the
> VOP_GETATTR request follows a not yet completed VOP_FSYNC (as done by
> ioflush thread), I
On Sun, Nov 20, 2011 at 09:40:35PM +, David Holland wrote:
> Also, retrieving data protected by a particular lock without holding
> it is inherently wrong; if we're going to move the file length out
> from under the main vnode lock we'd better do it explicitly.
Yes, this is begging for trouble
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