Kelsey Bjarnason wrote:
> On Thu, 12 Mar 2009 12:40:02 +0100, Peter Köhlmann wrote:
>> The *apps* are at fault.
> I'd heard about this, but hadn't read anything about it - until now.
> Indeed, it comes down to app developers relying on ext3's default of "5
> seconds to flush" rather than explicitly flushing at sensible intervals.
> As Ts'o points out, any file system makes a tradeoff between performance
> and reliability; more advanced file systems such as Ext4 attempt to
> maximize performance while letting the app "look after itself" - flush
> when necessary to ensure the data is safe - because, after all, it is the
> the app rather than the file system, knows best when it's time to do a
> There is a sort of amusing side to this, though: app developers in Linux
> are apparently so used to systems which just *do not crash* that they
> don't sync their data - no need, if the system isn't going down any time
> in the foreseeable future. :)
An excellent point Kelsey.
If we wish to reduce our ignorance, there are people we will
indeed listen to. Trolls are not among those people, as trolls, more or
less by definition, *promote* ignorance.
Kelsey Bjarnason, C.O.L.A. 2008