On 9/2/19 2:02 AM, Michal Hocko wrote:
> On Fri 30-08-19 15:35:06, Khalid Aziz wrote:
> [...]
>> - Kernel is not self-tuning and is dependent upon a userspace tool to
>> perform well in a fundamental area of memory management.
>
> You keep bringing this up without an actual analysis of a wider ran
On Fri 30-08-19 15:35:06, Khalid Aziz wrote:
[...]
> - Kernel is not self-tuning and is dependent upon a userspace tool to
> perform well in a fundamental area of memory management.
You keep bringing this up without an actual analysis of a wider range of
workloads that would prove that the default
On 8/27/19 12:16 AM, Michal Hocko wrote:
> On Tue 27-08-19 02:14:20, Bharath Vedartham wrote:
>> Hi Michal,
>>
>> Here are some of my thoughts,
>> On Wed, Aug 21, 2019 at 04:06:32PM +0200, Michal Hocko wrote:
>>> On Thu 15-08-19 14:51:04, Khalid Aziz wrote:
Hi Michal,
The smarts for
On Wed 28-08-19 18:39:22, Bharath Vedartham wrote:
[...]
> > Therefore I would like to shift the discussion towards existing APIs and
> > whether they are suitable for such an advance auto-tuning. I haven't
> > heard any arguments about missing pieces.
> I understand your concern here. Just confirm
Hi Michal, Thank you for spending your time on this.
On Tue, Aug 27, 2019 at 08:16:06AM +0200, Michal Hocko wrote:
> On Tue 27-08-19 02:14:20, Bharath Vedartham wrote:
> > Hi Michal,
> >
> > Here are some of my thoughts,
> > On Wed, Aug 21, 2019 at 04:06:32PM +0200, Michal Hocko wrote:
> > > On Th
On Tue 27-08-19 02:14:20, Bharath Vedartham wrote:
> Hi Michal,
>
> Here are some of my thoughts,
> On Wed, Aug 21, 2019 at 04:06:32PM +0200, Michal Hocko wrote:
> > On Thu 15-08-19 14:51:04, Khalid Aziz wrote:
> > > Hi Michal,
> > >
> > > The smarts for tuning these knobs can be implemented in u
Hi Michal,
Here are some of my thoughts,
On Wed, Aug 21, 2019 at 04:06:32PM +0200, Michal Hocko wrote:
> On Thu 15-08-19 14:51:04, Khalid Aziz wrote:
> > Hi Michal,
> >
> > The smarts for tuning these knobs can be implemented in userspace and
> > more knobs added to allow for what is missing toda
On Thu 15-08-19 14:51:04, Khalid Aziz wrote:
> Hi Michal,
>
> The smarts for tuning these knobs can be implemented in userspace and
> more knobs added to allow for what is missing today, but we get back to
> the same issue as before. That does nothing to make kernel self-tuning
> and adds possibly
On 8/15/19 11:02 AM, Michal Hocko wrote:
> On Thu 15-08-19 10:27:26, Khalid Aziz wrote:
>> On 8/14/19 2:58 AM, Michal Hocko wrote:
>>> On Tue 13-08-19 09:20:51, Khalid Aziz wrote:
On 8/13/19 8:05 AM, Michal Hocko wrote:
> On Mon 12-08-19 19:40:10, Khalid Aziz wrote:
> [...]
>> Patc
On Thu 15-08-19 10:27:26, Khalid Aziz wrote:
> On 8/14/19 2:58 AM, Michal Hocko wrote:
> > On Tue 13-08-19 09:20:51, Khalid Aziz wrote:
> >> On 8/13/19 8:05 AM, Michal Hocko wrote:
> >>> On Mon 12-08-19 19:40:10, Khalid Aziz wrote:
> >>> [...]
> Patch 1 adds code to maintain a sliding lookback
On 8/14/19 2:58 AM, Michal Hocko wrote:
> On Tue 13-08-19 09:20:51, Khalid Aziz wrote:
>> On 8/13/19 8:05 AM, Michal Hocko wrote:
>>> On Mon 12-08-19 19:40:10, Khalid Aziz wrote:
>>> [...]
Patch 1 adds code to maintain a sliding lookback window of (time, number
of free pages) points which
On Tue 13-08-19 09:20:51, Khalid Aziz wrote:
> On 8/13/19 8:05 AM, Michal Hocko wrote:
> > On Mon 12-08-19 19:40:10, Khalid Aziz wrote:
> > [...]
> >> Patch 1 adds code to maintain a sliding lookback window of (time, number
> >> of free pages) points which can be updated continuously and adds code
On 8/13/19 8:05 AM, Michal Hocko wrote:
> On Mon 12-08-19 19:40:10, Khalid Aziz wrote:
> [...]
>> Patch 1 adds code to maintain a sliding lookback window of (time, number
>> of free pages) points which can be updated continuously and adds code to
>> compute best fit line across these points. It als
On Mon 12-08-19 19:40:10, Khalid Aziz wrote:
[...]
> Patch 1 adds code to maintain a sliding lookback window of (time, number
> of free pages) points which can be updated continuously and adds code to
> compute best fit line across these points. It also adds code to use the
> best fit lines to dete
Page reclamation and compaction is triggered in response to reaching low
watermark. This makes reclamation/compaction reactive based upon a
snapshot of the system at a point in time. When that point is reached,
system is already suffering from free memory shortage and must now try
to recover. Rec
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