Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

Hi All,

One of the major work items that came out of the Plumbers conference
containers and Cgroups meeting was the need to work on memcg:

http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105

(see etherpad and presentations)

Since almost everyone will be either at KS or LinuxCon, I thought doing
a small meeting on the Wednesday of Linux Con (so those at KS who might
not be staying for the whole of LinuxCon could attend) might be a good
idea.  The object would be to get all the major players to agree on
who's doing what.  You can see Parallels' direction from the patches
Glauber has been posting.  Google should shortly be starting work on
other aspects of the memgc as well.

As a precursor to the meeting (and actually a requirement to make it
effective) we need to start posting our preliminary patches and design
ideas to the mm list (hint, Google people, this means you).

I think I've got all of the interested parties in the To: field, but I'm
sending this to the mm list just in case I missed anyone.  If everyone's
OK with the idea (and enough people are going to be there) I'll get the
Linux Foundation to find us a room.

James

Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Balbir Singh]

On Thu, Sep 22, 2011 at 5:46 PM, James Bottomley
<jbottomley@parallels.com> wrote:
> Hi All,
>
> One of the major work items that came out of the Plumbers conference
> containers and Cgroups meeting was the need to work on memcg:
>
> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
>
> (see etherpad and presentations)
>
> Since almost everyone will be either at KS or LinuxCon, I thought doing
> a small meeting on the Wednesday of Linux Con (so those at KS who might
> not be staying for the whole of LinuxCon could attend) might be a good
> idea.  The object would be to get all the major players to agree on
> who's doing what.  You can see Parallels' direction from the patches
> Glauber has been posting.  Google should shortly be starting work on
> other aspects of the memgc as well.
>
> As a precursor to the meeting (and actually a requirement to make it
> effective) we need to start posting our preliminary patches and design
> ideas to the mm list (hint, Google people, this means you).
>
> I think I've got all of the interested parties in the To: field, but I'm
> sending this to the mm list just in case I missed anyone.  If everyone's
> OK with the idea (and enough people are going to be there) I'll get the
> Linux Foundation to find us a room.

Hi, James

I'd be interested in attending and getting active on memcg design
again (if the funding works out), what dates are we looking at? When
is LinuxCon planned?

Balbir

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

On Thu, 2011-09-22 at 20:36 +0530, Balbir Singh wrote:
> Hi, James
> 
> I'd be interested in attending and getting active on memcg design
> again (if the funding works out), what dates are we looking at? When
> is LinuxCon planned?

Heh, I was assuming everyone knew, but I should have put them in the
original message.  Kernel Summit is 23-25 October and LinuxCon is 26-28,
so the proposed day is Wednesday 26 October.

James


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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Balbir Singh]

On Thu, Sep 22, 2011 at 9:13 PM, James Bottomley
<James.Bottomley@hansenpartnership.com> wrote:
> On Thu, 2011-09-22 at 20:36 +0530, Balbir Singh wrote:
>> Hi, James
>>
>> I'd be interested in attending and getting active on memcg design
>> again (if the funding works out), what dates are we looking at? When
>> is LinuxCon planned?
>
> Heh, I was assuming everyone knew, but I should have put them in the
> original message.  Kernel Summit is 23-25 October and LinuxCon is 26-28,
> so the proposed day is Wednesday 26 October.

Thanks, I am afraid I won't be able to make it in person. 26 October
is a big festival. I'll catch up with the minutes

Balbir Singh

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Tim Hockin]

It is unlikely that I or anyone on my direct team (the userspace
management side) will be able to attend, but You obviously have the
key players from the kernel side of Google on this list.  I'll put it
to my team to see if anyone is able to make it.

On Thu, Sep 22, 2011 at 5:16 AM, James Bottomley
<jbottomley@parallels.com> wrote:
> Hi All,
>
> One of the major work items that came out of the Plumbers conference
> containers and Cgroups meeting was the need to work on memcg:
>
> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
>
> (see etherpad and presentations)
>
> Since almost everyone will be either at KS or LinuxCon, I thought doing
> a small meeting on the Wednesday of Linux Con (so those at KS who might
> not be staying for the whole of LinuxCon could attend) might be a good
> idea.  The object would be to get all the major players to agree on
> who's doing what.  You can see Parallels' direction from the patches
> Glauber has been posting.  Google should shortly be starting work on
> other aspects of the memgc as well.
>
> As a precursor to the meeting (and actually a requirement to make it
> effective) we need to start posting our preliminary patches and design
> ideas to the mm list (hint, Google people, this means you).
>
> I think I've got all of the interested parties in the To: field, but I'm
> sending this to the mm list just in case I missed anyone.  If everyone's
> OK with the idea (and enough people are going to be there) I'll get the
> Linux Foundation to find us a room.
>
> James
>
>

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[KAMEZAWA Hiroyuki]

On Thu, 22 Sep 2011 12:16:47 +0000
James Bottomley <jbottomley@parallels.com> wrote:

> Hi All,
> 
> One of the major work items that came out of the Plumbers conference
> containers and Cgroups meeting was the need to work on memcg:
> 
> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> 
> (see etherpad and presentations)
> 
> Since almost everyone will be either at KS or LinuxCon, I thought doing
> a small meeting on the Wednesday of Linux Con (so those at KS who might
> not be staying for the whole of LinuxCon could attend) might be a good
> idea.  The object would be to get all the major players to agree on
> who's doing what.  You can see Parallels' direction from the patches
> Glauber has been posting.  Google should shortly be starting work on
> other aspects of the memgc as well.
> 
> As a precursor to the meeting (and actually a requirement to make it
> effective) we need to start posting our preliminary patches and design
> ideas to the mm list (hint, Google people, this means you).
> 
I'd like to see.

But if it's for performance improvement, please show performance numbers.


> I think I've got all of the interested parties in the To: field, but I'm
> sending this to the mm list just in case I missed anyone.  If everyone's
> OK with the idea (and enough people are going to be there) I'll get the
> Linux Foundation to find us a room.
> 

Thank you. I'll attend.

Regards,
-Kame

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Michal Hocko]

On Thu 22-09-11 12:16:47, James Bottomley wrote:
> Hi All,

Hi,

> 
> One of the major work items that came out of the Plumbers conference
> containers and Cgroups meeting was the need to work on memcg:
> 
> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> 
> (see etherpad and presentations)
> 
> Since almost everyone will be either at KS or LinuxCon, I thought doing
> a small meeting on the Wednesday of Linux Con (so those at KS who might
> not be staying for the whole of LinuxCon could attend) might be a good
> idea.  The object would be to get all the major players to agree on
> who's doing what.  You can see Parallels' direction from the patches
> Glauber has been posting.  Google should shortly be starting work on
> other aspects of the memgc as well.
> 
> As a precursor to the meeting (and actually a requirement to make it
> effective) we need to start posting our preliminary patches and design
> ideas to the mm list (hint, Google people, this means you).
> 
> I think I've got all of the interested parties in the To: field, but I'm
> sending this to the mm list just in case I missed anyone.  If everyone's
> OK with the idea (and enough people are going to be there) I'll get the
> Linux Foundation to find us a room.

I am not going to be at KS but I am in Prague. I would be happy to meet
as well if it is possible.

> 
> James
> 

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
> On Thu 22-09-11 12:16:47, James Bottomley wrote:
> > Hi All,
> 
> Hi,
> 
> > 
> > One of the major work items that came out of the Plumbers conference
> > containers and Cgroups meeting was the need to work on memcg:
> > 
> > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> > 
> > (see etherpad and presentations)
> > 
> > Since almost everyone will be either at KS or LinuxCon, I thought doing
> > a small meeting on the Wednesday of Linux Con (so those at KS who might
> > not be staying for the whole of LinuxCon could attend) might be a good
> > idea.  The object would be to get all the major players to agree on
> > who's doing what.  You can see Parallels' direction from the patches
> > Glauber has been posting.  Google should shortly be starting work on
> > other aspects of the memgc as well.
> > 
> > As a precursor to the meeting (and actually a requirement to make it
> > effective) we need to start posting our preliminary patches and design
> > ideas to the mm list (hint, Google people, this means you).
> > 
> > I think I've got all of the interested parties in the To: field, but I'm
> > sending this to the mm list just in case I missed anyone.  If everyone's
> > OK with the idea (and enough people are going to be there) I'll get the
> > Linux Foundation to find us a room.
> 
> I am not going to be at KS but I am in Prague. I would be happy to meet
> as well if it is possible.

Certainly.  I'm just really proposing a working meeting of memcg people;
primarily to try to make sure we're not all pulling the memcg in
different directions.  I do need a rough headcount, though, to make sure
we find a correctly sized room.

James



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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Michal Hocko]

On Tue 27-09-11 13:16:19, James Bottomley wrote:
> On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
> > On Thu 22-09-11 12:16:47, James Bottomley wrote:
> > > Hi All,
> > 
> > Hi,
> > 
> > > 
> > > One of the major work items that came out of the Plumbers conference
> > > containers and Cgroups meeting was the need to work on memcg:
> > > 
> > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> > > 
> > > (see etherpad and presentations)
> > > 
> > > Since almost everyone will be either at KS or LinuxCon, I thought doing
> > > a small meeting on the Wednesday of Linux Con (so those at KS who might
> > > not be staying for the whole of LinuxCon could attend) might be a good
> > > idea.  The object would be to get all the major players to agree on
> > > who's doing what.  You can see Parallels' direction from the patches
> > > Glauber has been posting.  Google should shortly be starting work on
> > > other aspects of the memgc as well.
> > > 
> > > As a precursor to the meeting (and actually a requirement to make it
> > > effective) we need to start posting our preliminary patches and design
> > > ideas to the mm list (hint, Google people, this means you).
> > > 
> > > I think I've got all of the interested parties in the To: field, but I'm
> > > sending this to the mm list just in case I missed anyone.  If everyone's
> > > OK with the idea (and enough people are going to be there) I'll get the
> > > Linux Foundation to find us a room.
> > 
> > I am not going to be at KS but I am in Prague. I would be happy to meet
> > as well if it is possible.
> 
> Certainly. 

OK, then add me as well.

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Hugh Dickins]

On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
> On Tue 27-09-11 13:16:19, James Bottomley wrote:
> > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
> > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
> > > > Hi All,
> > >
> > > Hi,
> > >
> > > >
> > > > One of the major work items that came out of the Plumbers conference
> > > > containers and Cgroups meeting was the need to work on memcg:
> > > >
> > > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> > > >
> > > > (see etherpad and presentations)
> > > >
> > > > Since almost everyone will be either at KS or LinuxCon, I thought doing
> > > > a small meeting on the Wednesday of Linux Con (so those at KS who might
> > > > not be staying for the whole of LinuxCon could attend) might be a good
> > > > idea.  The object would be to get all the major players to agree on
> > > > who's doing what.  You can see Parallels' direction from the patches
> > > > Glauber has been posting.  Google should shortly be starting work on
> > > > other aspects of the memgc as well.
> > > >
> > > > As a precursor to the meeting (and actually a requirement to make it
> > > > effective) we need to start posting our preliminary patches and design
> > > > ideas to the mm list (hint, Google people, this means you).
> > > >
> > > > I think I've got all of the interested parties in the To: field, but I'm
> > > > sending this to the mm list just in case I missed anyone.  If everyone's
> > > > OK with the idea (and enough people are going to be there) I'll get the
> > > > Linux Foundation to find us a room.
> > >
> > > I am not going to be at KS but I am in Prague. I would be happy to meet
> > > as well if it is possible.
> >
> > Certainly.
>
> OK, then add me as well.

Please include Ying Han and Hugh Dickins; but regrettably, scheduling
issues will prevent Greg Thelen from attending.

Thanks,
Hugh

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Paul Turner]

[-- Attachment #1: Type: text/plain, Size: 2142 bytes --]

On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins <hughd@google.com> wrote:

> On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
> > On Tue 27-09-11 13:16:19, James Bottomley wrote:
> > > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
> > > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
> > > > > Hi All,
> > > >
> > > > Hi,
> > > >
> > > > >
> > > > > One of the major work items that came out of the Plumbers
> conference
> > > > > containers and Cgroups meeting was the need to work on memcg:
> > > > >
> > > > >
> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> > > > >
> > > > > (see etherpad and presentations)
> > > > >
> > > > > Since almost everyone will be either at KS or LinuxCon, I thought
> doing
> > > > > a small meeting on the Wednesday of Linux Con (so those at KS who
> might
> > > > > not be staying for the whole of LinuxCon could attend) might be a
> good
> > > > > idea.  The object would be to get all the major players to agree on
> > > > > who's doing what.  You can see Parallels' direction from the
> patches
> > > > > Glauber has been posting.  Google should shortly be starting work
> on
> > > > > other aspects of the memgc as well.
> > > > >
> > > > > As a precursor to the meeting (and actually a requirement to make
> it
> > > > > effective) we need to start posting our preliminary patches and
> design
> > > > > ideas to the mm list (hint, Google people, this means you).
> > > > >
> > > > > I think I've got all of the interested parties in the To: field,
> but I'm
> > > > > sending this to the mm list just in case I missed anyone.  If
> everyone's
> > > > > OK with the idea (and enough people are going to be there) I'll get
> the
> > > > > Linux Foundation to find us a room.
> > > >
> > > > I am not going to be at KS but I am in Prague. I would be happy to
> meet
> > > > as well if it is possible.
> > >
> > > Certainly.
> >
> > OK, then add me as well.
>
> Please include Ying Han and Hugh Dickins; but regrettably, scheduling
> issues will prevent Greg Thelen from attending.
>
> Thanks,
> Hugh
>

Count me in as well,

Thanks James!

- Paul

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Ying Han]

On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins <hughd@google.com> wrote:
> On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
>> On Tue 27-09-11 13:16:19, James Bottomley wrote:
>> > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
>> > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
>> > > > Hi All,
>> > >
>> > > Hi,
>> > >
>> > > >
>> > > > One of the major work items that came out of the Plumbers conference
>> > > > containers and Cgroups meeting was the need to work on memcg:
>> > > >
>> > > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
>> > > >
>> > > > (see etherpad and presentations)
>> > > >
>> > > > Since almost everyone will be either at KS or LinuxCon, I thought doing
>> > > > a small meeting on the Wednesday of Linux Con (so those at KS who might
>> > > > not be staying for the whole of LinuxCon could attend) might be a good
>> > > > idea.  The object would be to get all the major players to agree on
>> > > > who's doing what.  You can see Parallels' direction from the patches
>> > > > Glauber has been posting.  Google should shortly be starting work on
>> > > > other aspects of the memgc as well.
>> > > >
>> > > > As a precursor to the meeting (and actually a requirement to make it
>> > > > effective) we need to start posting our preliminary patches and design
>> > > > ideas to the mm list (hint, Google people, this means you).
>> > > >
>> > > > I think I've got all of the interested parties in the To: field, but I'm
>> > > > sending this to the mm list just in case I missed anyone.  If everyone's
>> > > > OK with the idea (and enough people are going to be there) I'll get the
>> > > > Linux Foundation to find us a room.
>> > >
>> > > I am not going to be at KS but I am in Prague. I would be happy to meet
>> > > as well if it is possible.
>> >
>> > Certainly.
>>
>> OK, then add me as well.
>
> Please include Ying Han and Hugh Dickins; but regrettably, scheduling
> issues will prevent Greg Thelen from attending.

Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry
for the late reply due to OOO in the past few weeks.

James,

Thank you so much for organizing this and please keep us informed when
the detailed schedule is out :)

Thanks

--Ying
--Ying
>
> Thanks,
> Hugh
>

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

On Mon, 2011-10-10 at 19:35 -0700, Ying Han wrote:
> On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins <hughd@google.com> wrote:
> > On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
> >> On Tue 27-09-11 13:16:19, James Bottomley wrote:
> >> > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
> >> > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
> >> > > > Hi All,
> >> > >
> >> > > Hi,
> >> > >
> >> > > >
> >> > > > One of the major work items that came out of the Plumbers conference
> >> > > > containers and Cgroups meeting was the need to work on memcg:
> >> > > >
> >> > > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> >> > > >
> >> > > > (see etherpad and presentations)
> >> > > >
> >> > > > Since almost everyone will be either at KS or LinuxCon, I thought doing
> >> > > > a small meeting on the Wednesday of Linux Con (so those at KS who might
> >> > > > not be staying for the whole of LinuxCon could attend) might be a good
> >> > > > idea.  The object would be to get all the major players to agree on
> >> > > > who's doing what.  You can see Parallels' direction from the patches
> >> > > > Glauber has been posting.  Google should shortly be starting work on
> >> > > > other aspects of the memgc as well.
> >> > > >
> >> > > > As a precursor to the meeting (and actually a requirement to make it
> >> > > > effective) we need to start posting our preliminary patches and design
> >> > > > ideas to the mm list (hint, Google people, this means you).
> >> > > >
> >> > > > I think I've got all of the interested parties in the To: field, but I'm
> >> > > > sending this to the mm list just in case I missed anyone.  If everyone's
> >> > > > OK with the idea (and enough people are going to be there) I'll get the
> >> > > > Linux Foundation to find us a room.
> >> > >
> >> > > I am not going to be at KS but I am in Prague. I would be happy to meet
> >> > > as well if it is possible.
> >> >
> >> > Certainly.
> >>
> >> OK, then add me as well.
> >
> > Please include Ying Han and Hugh Dickins; but regrettably, scheduling
> > issues will prevent Greg Thelen from attending.
> 
> Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry
> for the late reply due to OOO in the past few weeks.
> 
> James,
> 
> Thank you so much for organizing this and please keep us informed when
> the detailed schedule is out :)

We're a bit blocked on this.  We have some proposals, particularly in
the area of shrinkers, but we know you have patches in this area which
we haven't seen ... can you post the google memgc patches just for
reference (they don't have to be final, or even highly polished) just so
we have a common base to work from?

James


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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Ying Han]

On Wed, Oct 12, 2011 at 7:14 AM, James Bottomley
<James.Bottomley@hansenpartnership.com> wrote:
> On Mon, 2011-10-10 at 19:35 -0700, Ying Han wrote:
>> On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins <hughd@google.com> wrote:
>> > On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
>> >> On Tue 27-09-11 13:16:19, James Bottomley wrote:
>> >> > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
>> >> > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
>> >> > > > Hi All,
>> >> > >
>> >> > > Hi,
>> >> > >
>> >> > > >
>> >> > > > One of the major work items that came out of the Plumbers conference
>> >> > > > containers and Cgroups meeting was the need to work on memcg:
>> >> > > >
>> >> > > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
>> >> > > >
>> >> > > > (see etherpad and presentations)
>> >> > > >
>> >> > > > Since almost everyone will be either at KS or LinuxCon, I thought doing
>> >> > > > a small meeting on the Wednesday of Linux Con (so those at KS who might
>> >> > > > not be staying for the whole of LinuxCon could attend) might be a good
>> >> > > > idea.  The object would be to get all the major players to agree on
>> >> > > > who's doing what.  You can see Parallels' direction from the patches
>> >> > > > Glauber has been posting.  Google should shortly be starting work on
>> >> > > > other aspects of the memgc as well.
>> >> > > >
>> >> > > > As a precursor to the meeting (and actually a requirement to make it
>> >> > > > effective) we need to start posting our preliminary patches and design
>> >> > > > ideas to the mm list (hint, Google people, this means you).
>> >> > > >
>> >> > > > I think I've got all of the interested parties in the To: field, but I'm
>> >> > > > sending this to the mm list just in case I missed anyone.  If everyone's
>> >> > > > OK with the idea (and enough people are going to be there) I'll get the
>> >> > > > Linux Foundation to find us a room.
>> >> > >
>> >> > > I am not going to be at KS but I am in Prague. I would be happy to meet
>> >> > > as well if it is possible.
>> >> >
>> >> > Certainly.
>> >>
>> >> OK, then add me as well.
>> >
>> > Please include Ying Han and Hugh Dickins; but regrettably, scheduling
>> > issues will prevent Greg Thelen from attending.
>>
>> Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry
>> for the late reply due to OOO in the past few weeks.
>>
>> James,
>>
>> Thank you so much for organizing this and please keep us informed when
>> the detailed schedule is out :)
>
> We're a bit blocked on this.  We have some proposals, particularly in
> the area of shrinkers, but we know you have patches in this area which
> we haven't seen ... can you post the google memgc patches just for
> reference (they don't have to be final, or even highly polished) just so
> we have a common base to work from?

sorry for getting back late.

We are preparing the patches and should be able to send out before the
summit. The patchset itself does the kernel slab accounting in memcg,
and something we would like to discuss in the memcg meeting in
Wednesday as well.

Thanks

--Ying

>
> James
>
>
>

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

On Thu, 2011-10-13 at 13:54 -0700, Ying Han wrote:
> On Wed, Oct 12, 2011 at 7:14 AM, James Bottomley
> <James.Bottomley@hansenpartnership.com> wrote:
> > On Mon, 2011-10-10 at 19:35 -0700, Ying Han wrote:
> >> On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins <hughd@google.com> wrote:
> >> > On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
> >> >> On Tue 27-09-11 13:16:19, James Bottomley wrote:
> >> >> > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
> >> >> > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
> >> >> > > > Hi All,
> >> >> > >
> >> >> > > Hi,
> >> >> > >
> >> >> > > >
> >> >> > > > One of the major work items that came out of the Plumbers conference
> >> >> > > > containers and Cgroups meeting was the need to work on memcg:
> >> >> > > >
> >> >> > > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
> >> >> > > >
> >> >> > > > (see etherpad and presentations)
> >> >> > > >
> >> >> > > > Since almost everyone will be either at KS or LinuxCon, I thought doing
> >> >> > > > a small meeting on the Wednesday of Linux Con (so those at KS who might
> >> >> > > > not be staying for the whole of LinuxCon could attend) might be a good
> >> >> > > > idea.  The object would be to get all the major players to agree on
> >> >> > > > who's doing what.  You can see Parallels' direction from the patches
> >> >> > > > Glauber has been posting.  Google should shortly be starting work on
> >> >> > > > other aspects of the memgc as well.
> >> >> > > >
> >> >> > > > As a precursor to the meeting (and actually a requirement to make it
> >> >> > > > effective) we need to start posting our preliminary patches and design
> >> >> > > > ideas to the mm list (hint, Google people, this means you).
> >> >> > > >
> >> >> > > > I think I've got all of the interested parties in the To: field, but I'm
> >> >> > > > sending this to the mm list just in case I missed anyone.  If everyone's
> >> >> > > > OK with the idea (and enough people are going to be there) I'll get the
> >> >> > > > Linux Foundation to find us a room.
> >> >> > >
> >> >> > > I am not going to be at KS but I am in Prague. I would be happy to meet
> >> >> > > as well if it is possible.
> >> >> >
> >> >> > Certainly.
> >> >>
> >> >> OK, then add me as well.
> >> >
> >> > Please include Ying Han and Hugh Dickins; but regrettably, scheduling
> >> > issues will prevent Greg Thelen from attending.
> >>
> >> Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry
> >> for the late reply due to OOO in the past few weeks.
> >>
> >> James,
> >>
> >> Thank you so much for organizing this and please keep us informed when
> >> the detailed schedule is out :)
> >
> > We're a bit blocked on this.  We have some proposals, particularly in
> > the area of shrinkers, but we know you have patches in this area which
> > we haven't seen ... can you post the google memgc patches just for
> > reference (they don't have to be final, or even highly polished) just so
> > we have a common base to work from?
> 
> sorry for getting back late.
> 
> We are preparing the patches and should be able to send out before the
> summit. The patchset itself does the kernel slab accounting in memcg,
> and something we would like to discuss in the memcg meeting in
> Wednesday as well.

Perfect, thanks.  This meshes well because we're trying to recast the
Dentry cache patch in terms of slab accounting and we need to make sure
our two patches are consistent.

James


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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Ying Han]

On Thu, Oct 13, 2011 at 1:58 PM, James Bottomley
<James.Bottomley@hansenpartnership.com> wrote:
> On Thu, 2011-10-13 at 13:54 -0700, Ying Han wrote:
>> On Wed, Oct 12, 2011 at 7:14 AM, James Bottomley
>> <James.Bottomley@hansenpartnership.com> wrote:
>> > On Mon, 2011-10-10 at 19:35 -0700, Ying Han wrote:
>> >> On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins <hughd@google.com> wrote:
>> >> > On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko <mhocko@suse.cz> wrote:
>> >> >> On Tue 27-09-11 13:16:19, James Bottomley wrote:
>> >> >> > On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
>> >> >> > > On Thu 22-09-11 12:16:47, James Bottomley wrote:
>> >> >> > > > Hi All,
>> >> >> > >
>> >> >> > > Hi,
>> >> >> > >
>> >> >> > > >
>> >> >> > > > One of the major work items that came out of the Plumbers conference
>> >> >> > > > containers and Cgroups meeting was the need to work on memcg:
>> >> >> > > >
>> >> >> > > > http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
>> >> >> > > >
>> >> >> > > > (see etherpad and presentations)
>> >> >> > > >
>> >> >> > > > Since almost everyone will be either at KS or LinuxCon, I thought doing
>> >> >> > > > a small meeting on the Wednesday of Linux Con (so those at KS who might
>> >> >> > > > not be staying for the whole of LinuxCon could attend) might be a good
>> >> >> > > > idea.  The object would be to get all the major players to agree on
>> >> >> > > > who's doing what.  You can see Parallels' direction from the patches
>> >> >> > > > Glauber has been posting.  Google should shortly be starting work on
>> >> >> > > > other aspects of the memgc as well.
>> >> >> > > >
>> >> >> > > > As a precursor to the meeting (and actually a requirement to make it
>> >> >> > > > effective) we need to start posting our preliminary patches and design
>> >> >> > > > ideas to the mm list (hint, Google people, this means you).
>> >> >> > > >
>> >> >> > > > I think I've got all of the interested parties in the To: field, but I'm
>> >> >> > > > sending this to the mm list just in case I missed anyone.  If everyone's
>> >> >> > > > OK with the idea (and enough people are going to be there) I'll get the
>> >> >> > > > Linux Foundation to find us a room.
>> >> >> > >
>> >> >> > > I am not going to be at KS but I am in Prague. I would be happy to meet
>> >> >> > > as well if it is possible.
>> >> >> >
>> >> >> > Certainly.
>> >> >>
>> >> >> OK, then add me as well.
>> >> >
>> >> > Please include Ying Han and Hugh Dickins; but regrettably, scheduling
>> >> > issues will prevent Greg Thelen from attending.
>> >>
>> >> Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry
>> >> for the late reply due to OOO in the past few weeks.
>> >>
>> >> James,
>> >>
>> >> Thank you so much for organizing this and please keep us informed when
>> >> the detailed schedule is out :)
>> >
>> > We're a bit blocked on this.  We have some proposals, particularly in
>> > the area of shrinkers, but we know you have patches in this area which
>> > we haven't seen ... can you post the google memgc patches just for
>> > reference (they don't have to be final, or even highly polished) just so
>> > we have a common base to work from?
>>
>> sorry for getting back late.
>>
>> We are preparing the patches and should be able to send out before the
>> summit. The patchset itself does the kernel slab accounting in memcg,
>> and something we would like to discuss in the memcg meeting in
>> Wednesday as well.
>
> Perfect, thanks.  This meshes well because we're trying to recast the
> Dentry cache patch in terms of slab accounting and we need to make sure
> our two patches are consistent.

I assume the dentry cache patch is the "[PATCH v3 0/4] Per-container
dcache limitation "?

Also, I am not sure where to get more information of the proposals
being sent so far for the meeting, and it would be helpful for us to
look through them before the day. Sorry if i missed it somewhere in
linux-mm :)

Thanks

--Ying


>
> James
>
>
>

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Glauber Costa]

On 10/14/2011 02:13 AM, Ying Han wrote:
> On Thu, Oct 13, 2011 at 1:58 PM, James Bottomley
> <James.Bottomley@hansenpartnership.com>  wrote:
>> On Thu, 2011-10-13 at 13:54 -0700, Ying Han wrote:
>>> On Wed, Oct 12, 2011 at 7:14 AM, James Bottomley
>>> <James.Bottomley@hansenpartnership.com>  wrote:
>>>> On Mon, 2011-10-10 at 19:35 -0700, Ying Han wrote:
>>>>> On Thu, Sep 29, 2011 at 2:30 PM, Hugh Dickins<hughd@google.com>  wrote:
>>>>>> On Thu, Sep 29, 2011 at 4:54 AM, Michal Hocko<mhocko@suse.cz>  wrote:
>>>>>>> On Tue 27-09-11 13:16:19, James Bottomley wrote:
>>>>>>>> On Mon, 2011-09-26 at 15:10 +0200, Michal Hocko wrote:
>>>>>>>>> On Thu 22-09-11 12:16:47, James Bottomley wrote:
>>>>>>>>>> Hi All,
>>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> One of the major work items that came out of the Plumbers conference
>>>>>>>>>> containers and Cgroups meeting was the need to work on memcg:
>>>>>>>>>>
>>>>>>>>>> http://www.linuxplumbersconf.org/2011/ocw/events/LPC2011MC/tracks/105
>>>>>>>>>>
>>>>>>>>>> (see etherpad and presentations)
>>>>>>>>>>
>>>>>>>>>> Since almost everyone will be either at KS or LinuxCon, I thought doing
>>>>>>>>>> a small meeting on the Wednesday of Linux Con (so those at KS who might
>>>>>>>>>> not be staying for the whole of LinuxCon could attend) might be a good
>>>>>>>>>> idea.  The object would be to get all the major players to agree on
>>>>>>>>>> who's doing what.  You can see Parallels' direction from the patches
>>>>>>>>>> Glauber has been posting.  Google should shortly be starting work on
>>>>>>>>>> other aspects of the memgc as well.
>>>>>>>>>>
>>>>>>>>>> As a precursor to the meeting (and actually a requirement to make it
>>>>>>>>>> effective) we need to start posting our preliminary patches and design
>>>>>>>>>> ideas to the mm list (hint, Google people, this means you).
>>>>>>>>>>
>>>>>>>>>> I think I've got all of the interested parties in the To: field, but I'm
>>>>>>>>>> sending this to the mm list just in case I missed anyone.  If everyone's
>>>>>>>>>> OK with the idea (and enough people are going to be there) I'll get the
>>>>>>>>>> Linux Foundation to find us a room.
>>>>>>>>>
>>>>>>>>> I am not going to be at KS but I am in Prague. I would be happy to meet
>>>>>>>>> as well if it is possible.
>>>>>>>>
>>>>>>>> Certainly.
>>>>>>>
>>>>>>> OK, then add me as well.
>>>>>>
>>>>>> Please include Ying Han and Hugh Dickins; but regrettably, scheduling
>>>>>> issues will prevent Greg Thelen from attending.
>>>>>
>>>>> Thank you Hugh. I will be in KS as well as the memcg meeting. Sorry
>>>>> for the late reply due to OOO in the past few weeks.
>>>>>
>>>>> James,
>>>>>
>>>>> Thank you so much for organizing this and please keep us informed when
>>>>> the detailed schedule is out :)
>>>>
>>>> We're a bit blocked on this.  We have some proposals, particularly in
>>>> the area of shrinkers, but we know you have patches in this area which
>>>> we haven't seen ... can you post the google memgc patches just for
>>>> reference (they don't have to be final, or even highly polished) just so
>>>> we have a common base to work from?
>>>
>>> sorry for getting back late.
>>>
>>> We are preparing the patches and should be able to send out before the
>>> summit. The patchset itself does the kernel slab accounting in memcg,
>>> and something we would like to discuss in the memcg meeting in
>>> Wednesday as well.
>>
>> Perfect, thanks.  This meshes well because we're trying to recast the
>> Dentry cache patch in terms of slab accounting and we need to make sure
>> our two patches are consistent.
>
> I assume the dentry cache patch is the "[PATCH v3 0/4] Per-container
> dcache limitation "?
>
> Also, I am not sure where to get more information of the proposals
> being sent so far for the meeting, and it would be helpful for us to
> look through them before the day. Sorry if i missed it somewhere in
> linux-mm :)
There were many discussions with no conclusions so far.

My current approach was briefly explained in:

http://www.spinics.net/lists/linux-mm/msg25340.html

(What does glommer think about kmem cgroup ?)
In this particular context, glommer being me.

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[Johannes Weiner]

Count me in.

	Hannes

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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

Just a note that we'll have three ours on Wednesday.  We'll be in the
Quadrant Room on the 3rd floor of the Clarion Hotel from 13:00-16:00 on
Wednesday 26 October.

I think current items on the agenda are 

Isolated Memory Cgroups
accounting of shared resources
Further discussion of kernel memory accounting

We'll run it as sort of an unconference, so topics will be gathered as
we arrive at 13:00.

James


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Re: Proposed memcg meeting at October Kernel Summit/European LinuxCon in Prague

[James Bottomley]

On Sun, 2011-10-23 at 18:12 +0200, James Bottomley wrote:
> Just a note that we'll have three ours on Wednesday.  We'll be in the
> Quadrant Room on the 3rd floor of the Clarion Hotel from 13:00-16:00 on
> Wednesday 26 October.

OK, so sorry about the late notice but the room has been changed (time
is still 13:00-16:00) but we're now in the Taurus room not the Quadrant
room.   Angela will have a sign on the Quadrant room door redirecting
people just in case.

James


> I think current items on the agenda are 
> 
> Isolated Memory Cgroups
> accounting of shared resources
> Further discussion of kernel memory accounting
> 
> We'll run it as sort of an unconference, so topics will be gathered as
> we arrive at 13:00.
> 
> James
> 


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