On Tue, Oct 14, 2014 at 07:25:16AM +0200, Harald Sitter wrote:
> On Tue, Oct 14, 2014 at 2:07 AM, Scott Kitterman wrote:
> >> Given that essentially lowest priority is requested under CFQ,
> >> equivalent result should be possible to achieve with cgroups
> >> containment.
> >> Specifically by limi
On Tue, Oct 21, 2014 at 12:44:34AM -0400, Steve Langasek wrote:
> We've agreed that the kubuntu-settings
> change is acceptable for an SRU in spite of reservations;
Great, please approve it into trusty-proposed
Jonathan
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Steve Langasek [2014-10-21 0:44 -0400]:
> But without that, something like the proposed cgroup handling is
> probably in order.
FYI, something similar is currently being discussed for Tracker, which
has pretty much the same problem:
http://lists.freedesktop.org/archives/systemd-devel/2014-Octobe
On Thu, Oct 16, 2014 at 04:23:36PM +0200, Rohan Garg wrote:
> > A consistent kernel and performance expectations across Ubuntu is also
> > worthwhile. I don't want someone screw up database/VM/etc. workloads
> > benchmarks simply
> > because they happen to have kubuntu-desktop installed or left aro
On Thu, Oct 16, 2014 at 04:23:36PM +0200, Rohan Garg wrote:
> > A consistent kernel and performance expectations across Ubuntu is also
> > worthwhile. I don't want someone screw up database/VM/etc. workloads
> > benchmarks simply
> > because they happen to have kubuntu-desktop installed or left aro
> A consistent kernel and performance expectations across Ubuntu is also
> worthwhile. I don't want someone screw up database/VM/etc. workloads
> benchmarks simply
> because they happen to have kubuntu-desktop installed or left around
Are we honestly optimizing for benchmarks now? I'd rather optim
On 14 October 2014 12:24, Jonathan Riddell wrote:
> On Mon, Oct 13, 2014 at 11:54:54PM +0100, Dimitri John Ledkov wrote:
>> Given that essentially lowest priority is requested under CFQ,
>> equivalent result should be possible to achieve with cgroups
>> containment.
>> Specifically by limiting CPU
On Mon, Oct 13, 2014 at 11:54:54PM +0100, Dimitri John Ledkov wrote:
> Given that essentially lowest priority is requested under CFQ,
> equivalent result should be possible to achieve with cgroups
> containment.
> Specifically by limiting CPU (cpu.shares set to 100 ~= 1/10 of the
> default 1024) an
On Tue, Oct 14, 2014 at 2:07 AM, Scott Kitterman wrote:
>> Given that essentially lowest priority is requested under CFQ,
>> equivalent result should be possible to achieve with cgroups
>> containment.
>> Specifically by limiting CPU (cpu.shares set to 100 ~= 1/10 of the
>> default 1024) and/or IO
On Monday, October 13, 2014 11:54:54 PM Dimitri John Ledkov wrote:
> On 11 October 2014 04:30, Scott Kitterman wrote:
> > On Friday, October 10, 2014 23:51:18 Dimitri John Ledkov wrote:
> >> On 10 October 2014 11:26, Jonathan Riddell wrote:
> >> > On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve L
On 11 October 2014 04:30, Scott Kitterman wrote:
> On Friday, October 10, 2014 23:51:18 Dimitri John Ledkov wrote:
>> On 10 October 2014 11:26, Jonathan Riddell wrote:
>> > On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve Langasek wrote:
>> >> On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg w
On Friday, October 10, 2014 23:51:18 Dimitri John Ledkov wrote:
> On 10 October 2014 11:26, Jonathan Riddell wrote:
> > On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve Langasek wrote:
> >> On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg wrote:
> >> > > So while I still don't agree that this i
On Fri, Oct 10, 2014 at 11:26:20AM +0100, Jonathan Riddell wrote:
> On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve Langasek wrote:
> > On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg wrote:
> Is there any further information on this? The upstream Baloo author
> would like to know why his wo
On Sat, Oct 11, 2014 at 2:27 AM, Steve Langasek
wrote:
> On Thu, Oct 09, 2014 at 06:15:17PM +0200, Rohan Garg wrote:
>> I'd rather work with data which we have right now ( general feedback from
>> users suggests that baloo performance is quite bad with deadline and
>> improves with the switch to C
On Sat, Oct 11, 2014 at 12:51 AM, Dimitri John Ledkov wrote:
> On 10 October 2014 11:26, Jonathan Riddell wrote:
>> On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve Langasek wrote:
>>> On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg wrote:
>>> > > So while I still don't agree that this is fre
On Thu, Oct 09, 2014 at 06:15:17PM +0200, Rohan Garg wrote:
> > As I said, the switch to deadline was seen to address existing problems with
> > applications on the unity desktop (when running on an HDD) becoming
> > non-responsive under heavy I/O. Switching back to cfq is likely to
> > reintroduc
On 10 October 2014 11:26, Jonathan Riddell wrote:
> On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve Langasek wrote:
>> On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg wrote:
>> > > So while I still don't agree that this is free of risk of regression
>> > > (e.g.,
>> > > a system with both ku
On Thu, Oct 09, 2014 at 09:02:04AM -0700, Steve Langasek wrote:
> On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg wrote:
> > > So while I still don't agree that this is free of risk of regression
> > > (e.g.,
> > > a system with both kubuntu and ubuntu desktops installed could see a
> > > di
On Thu, Oct 9, 2014 at 6:32 PM, Stephen Michael Kellat wrote:
> On Thu, 9 Oct 2014 18:15:17 +0200
> Rohan Garg wrote:
>
> [snip]
>> >
>> > I thought that Edubuntu was still including both Ubuntu and Kubuntu
>> > on their DVD, which would be a clear example of why this would be
>> > the case. It
Hi
> As I said, the switch to deadline was seen to address existing problems with
> applications on the unity desktop (when running on an HDD) becoming
> non-responsive under heavy I/O. Switching back to cfq is likely to
> reintroduce this problem.
>
Right and this data is fairly out of date rig
On Thu, Oct 09, 2014 at 05:39:33PM +0200, Rohan Garg wrote:
> > So while I still don't agree that this is free of risk of regression (e.g.,
> > a system with both kubuntu and ubuntu desktops installed could see a direct
> > regression under the ubuntu session as a result of this change), I also
>
> So while I still don't agree that this is free of risk of regression (e.g.,
> a system with both kubuntu and ubuntu desktops installed could see a direct
> regression under the ubuntu session as a result of this change), I also
Could you elaborate a bit on how this would affect the unity session
On Thu, Oct 9, 2014 at 8:07 AM, Martin Pitt wrote:
> Steve Langasek [2014-10-08 13:10 -0700]:
>> It has been pointed out that Ubuntu also has an indexer, zeitgeist, which
>> apparently doesn't suffer from the same problem.
>
> To clarify: For the most part, zeitgeist only stores access events, i.
Steve Langasek [2014-10-08 13:10 -0700]:
> It has been pointed out that Ubuntu also has an indexer, zeitgeist, which
> apparently doesn't suffer from the same problem.
To clarify: For the most part, zeitgeist only stores access events, i.
e. metadata like "accessed this video at this time". There
On Wed, Oct 08, 2014 at 10:20:23AM -0700, Steve Langasek wrote:
> On Wed, Oct 08, 2014 at 05:42:48PM +0100, Colin Ian King wrote:
> > > Also, what exactly do you mean when you say baloo doesn't "implement
> > > ionice
> > > support"? The 'ionice' tool is part of the base system (util-linux). It
On 14-10-08 01:25 PM, Steve Riley wrote:
> On 2014-10-08 09:36:03 Steve Langasek wrote:
>>
>> I don't think it's at all appropriate for a desktop environment to install a
>> udev rule which changes the kernel scheduler. That's a severe layering
>> violation, and it means that anyone who installs
On 2014-10-08 09:36:03 Steve Langasek wrote:
>
> I don't think it's at all appropriate for a desktop environment to install a
> udev rule which changes the kernel scheduler. That's a severe layering
> violation, and it means that anyone who installs kubuntu-desktop on an
> existing system will si
Hi Colin,
On Wed, Oct 08, 2014 at 05:42:48PM +0100, Colin Ian King wrote:
> > Also, what exactly do you mean when you say baloo doesn't "implement ionice
> > support"? The 'ionice' tool is part of the base system (util-linux). It
> > would be a simple matter of packaging to always run baloo unde
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On 08/10/14 17:36, Steve Langasek wrote:
> Hi Jonathan,
>
> On Wed, Oct 08, 2014 at 03:56:42PM +0100, Jonathan Riddell wrote:
>> Me and Rohan would like a second opinion on bug 1378789
>> [SRU] Set the default IO scheduler to
Hi Jonathan,
On Wed, Oct 08, 2014 at 03:56:42PM +0100, Jonathan Riddell wrote:
> Me and Rohan would like a second opinion on bug 1378789
> [SRU] Set the default IO scheduler to CFQ in Kubuntu Trusty
> https://launchpad.net/bugs/1378789
> The kernel team have changed the schedul
Cautious is what SRUs are about. If someone else on the SRU team feels
differently, I don't mind being overridden.
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Me and Rohan would like a second opinion on bug 1378789
[SRU] Set the default IO scheduler to CFQ in Kubuntu Trusty
https://launchpad.net/bugs/1378789
The kernel team have changed the scheduler away from upstream Linux
defaults to deadlock which causes our desktop indexing programme Baloo
to
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