[Qt-creator] QtCreator quick save mode?

Ursache Vladimir f35f22fan at gmail.com
Tue Sep 27 03:48:26 CEST 2016

 Which is why my 4.7.3 kernel is patched with BFQ, because without it
the system was far worse and unpredictable under certain I/O stress.
The problem here I think is that an option without fsync is not
welcome, and I'm totally fine with that since it's not my project,
long story short I'll be using
my own customized version of Qt or switch to another editor.

On Mon, Sep 26, 2016 at 6:54 PM, Oswald Buddenhagen
<oswald.buddenhagen at qt.io> wrote:
> On Mon, Sep 26, 2016 at 06:05:05PM +0300, Ursache Vladimir wrote:
>> I'm using Btrfs with default settings - is it contemporary enough?
> maybe a bit _too_ contemporary - reportedly, it will still occasionally
> combust spontaneously. ^^
> anyway, the problem of each fsync() causing a complete fs flush existed
> with ext3. they supposedly addressed it in ext4, after some rather
> substantial improvements to the underlying disk buffering
> infrastructure. i don't know to what numbers that translates with
> particular filesystem/workload combinations.
> if the problem is indeed the serialization with big outstanding writes,
> you may be able to improve the situation by configuring the kernel to
> flush more aggressively. this will make the system overall a bit slower
> and noisier, but it will reduce pronounced lags.
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