On Thu, Jun 19, 2008 at 08:56:20AM +0800, Craig Ringer wrote:
> >My original note was mainly in response to Craig's comment that implied
> >fsync doing far more than it actually does. I remember seeing a few
> >comments recently saying similar things about fsync, so sorry for
> >picking specifical
Sam Mason wrote:
My original note was mainly in response to Craig's comment that implied
fsync doing far more than it actually does. I remember seeing a few
comments recently saying similar things about fsync, so sorry for
picking specifically on you Craig. Device/filesystem level snapshotting
On Wed, Jun 18, 2008 at 02:17:00PM -0400, Greg Smith wrote:
> On Wed, 18 Jun 2008, Sam Mason wrote:
>
> >Isn't fsync only a side-effect of having a write-back cache between
> >programs and the disk? This means it's only purpose is to ensure that
> >the cache is consistent with what's on disk.
On Wed, 18 Jun 2008, Sam Mason wrote:
Isn't fsync only a side-effect of having a write-back cache between
programs and the disk? This means it's only purpose is to ensure that
the cache is consistent with what's on disk. Because all programs
running within a system are running on top of the
