On Mon, 2011-03-21 at 14:26 +0200, Nadav Har'El wrote:
> On Tue, Mar 15, 2011, guy keren wrote about "[Haifux] some additions and
> eratta to today's lecture":
> >
> > 1. etzion asked about controlling the age of dirty pages before pdflush
> >fl
On Tue, Mar 15, 2011, guy keren wrote about "[Haifux] some additions and eratta
to today's lecture":
>
> 1. etzion asked about controlling the age of dirty pages before pdflush
>flushes them - the default value is 30 seconds, and can be seen by:
&
On Tue, Mar 15, 2011 at 11:00:02AM +0200, Shachar Raindel wrote:
> "Hijacking" the thread to a more general HD discussion.
And while we're at it, here's the article I mentioned about the "funny"
behaviour of write to SSDs:
http://lwn.net/Articles/428584/
Short summary: someone of the Linaro proje
"Hijacking" the thread to a more general HD discussion.
Since there was an interest in SSD (flash) drives, here is a benchmark
of normal hard-drives and flash drives:
http://techreport.com/articles.x/19330/3
2 points which are easy to see in the graph, and were raised in the
discussion yesterday
someone reminded me about the "small trail through the linux kernel"
link i mentioned. it is:
http://www.win.tue.nl/~aeb/linux/vfs/trail.html
note that it is from 2001 and relates to kernel 2.4 (or even older) -
but the general has not completely changed.
you can find a more up-to-date info abo
1. etzion asked about controlling the age of dirty pages before pdflush
flushes them - the default value is 30 seconds, and can be seen by:
cat /proc/sys/vm/dirty_expire_centisecs
(the time there is in milli-seconds). it can be changed by echoing
the desired time into that file, e.g.
