On Fri, Apr 16, 2021 at 10:14:39AM +0530, Bharata B Rao wrote:
> On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
> > On Mon, Apr 05, 2021 at 11:18:48AM +0530, Bharata B Rao wrote:
> >
> > > As an alternative approach, I have this below hack that does lazy
> > > list_lru creation.
On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
> On Mon, Apr 05, 2021 at 11:18:48AM +0530, Bharata B Rao wrote:
>
> > As an alternative approach, I have this below hack that does lazy
> > list_lru creation. The memcg-specific list is created and initialized
> > only when there is a
On Thu, Apr 15, 2021 at 08:54:43AM +0200, Michal Hocko wrote:
> On Thu 15-04-21 10:53:00, Bharata B Rao wrote:
> > On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
> > >
> > > Another approach may be to identify filesystem types that do not
> > > need memcg awareness and feed that
On Thu 15-04-21 10:53:00, Bharata B Rao wrote:
> On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
> >
> > Another approach may be to identify filesystem types that do not
> > need memcg awareness and feed that into alloc_super() to set/clear
> > the SHRINKER_MEMCG_AWARE flag. This
On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
>
> Another approach may be to identify filesystem types that do not
> need memcg awareness and feed that into alloc_super() to set/clear
> the SHRINKER_MEMCG_AWARE flag. This could be based on fstype - most
> virtual filesystems that
On Wed, Apr 7, 2021 at 4:55 AM Michal Hocko wrote:
>
> On Mon 05-04-21 11:18:48, Bharata B Rao wrote:
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> > consumption increases quite a
On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
> On Mon, Apr 05, 2021 at 11:18:48AM +0530, Bharata B Rao wrote:
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> >
On Wed 07-04-21 19:13:42, Bharata B Rao wrote:
> On Wed, Apr 07, 2021 at 01:54:48PM +0200, Michal Hocko wrote:
> > On Mon 05-04-21 11:18:48, Bharata B Rao wrote:
> > > Hi,
> > >
> > > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > > server(160 CPUs, 2 NUMA nodes,
On Wed, Apr 07, 2021 at 01:54:48PM +0200, Michal Hocko wrote:
> On Mon 05-04-21 11:18:48, Bharata B Rao wrote:
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> > consumption
On Wed, Apr 07, 2021 at 01:54:48PM +0200, Michal Hocko wrote:
> On Mon 05-04-21 11:18:48, Bharata B Rao wrote:
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> > consumption
On 07.04.2021 14:47, Bharata B Rao wrote:
> On Wed, Apr 07, 2021 at 01:07:27PM +0300, Kirill Tkhai wrote:
>>> Here is how the calculation turns out to be in my setup:
>>>
>>> Number of possible NUMA nodes = 2
>>> Number of mounts per container = 7 (Check below to see which are these)
>>> Number of
On Mon 05-04-21 11:18:48, Bharata B Rao wrote:
> Hi,
>
> When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> consumption increases quite a lot (around 172G) when the containers are
> running. Most of it
On Wed, Apr 07, 2021 at 01:07:27PM +0300, Kirill Tkhai wrote:
> > Here is how the calculation turns out to be in my setup:
> >
> > Number of possible NUMA nodes = 2
> > Number of mounts per container = 7 (Check below to see which are these)
> > Number of list creation requests per mount = 2
> >
On 07.04.2021 08:05, Bharata B Rao wrote:
> On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
>> On Mon, Apr 05, 2021 at 11:18:48AM +0530, Bharata B Rao wrote:
>>> Hi,
>>>
>>> When running 1 (more-or-less-empty-)containers on a bare-metal Power9
>>> server(160 CPUs, 2 NUMA nodes,
On Wed, Apr 07, 2021 at 08:28:07AM +1000, Dave Chinner wrote:
> On Mon, Apr 05, 2021 at 11:18:48AM +0530, Bharata B Rao wrote:
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> >
On Tue, Apr 6, 2021 at 3:05 AM Bharata B Rao wrote:
>
> On Mon, Apr 05, 2021 at 11:08:26AM -0700, Yang Shi wrote:
> > On Sun, Apr 4, 2021 at 10:49 PM Bharata B Rao wrote:
> > >
> > > Hi,
> > >
> > > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > > server(160 CPUs,
On Mon, Apr 05, 2021 at 11:18:48AM +0530, Bharata B Rao wrote:
> Hi,
>
> When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> consumption increases quite a lot (around 172G) when the containers are
>
On Mon, Apr 05, 2021 at 11:38:44AM -0700, Roman Gushchin wrote:
> > > @@ -534,7 +521,17 @@ static void memcg_drain_list_lru_node(struct
> > > list_lru *lru, int nid,
> > > spin_lock_irq(>lock);
> > >
> > > src = list_lru_from_memcg_idx(nlru, src_idx);
> > > + if (!src)
> > >
On Mon, Apr 05, 2021 at 11:08:26AM -0700, Yang Shi wrote:
> On Sun, Apr 4, 2021 at 10:49 PM Bharata B Rao wrote:
> >
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> > consumption
On Mon, Apr 05, 2021 at 11:08:26AM -0700, Yang Shi wrote:
> On Sun, Apr 4, 2021 at 10:49 PM Bharata B Rao wrote:
> >
> > Hi,
> >
> > When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> > server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> > consumption
On Sun, Apr 4, 2021 at 10:49 PM Bharata B Rao wrote:
>
> Hi,
>
> When running 1 (more-or-less-empty-)containers on a bare-metal Power9
> server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
> consumption increases quite a lot (around 172G) when the containers are
> running.
submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Bharata-B-Rao/High-kmalloc-32-slab-cache-consumption-with-10k-containers/20210405-135124
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds
Hi,
When running 1 (more-or-less-empty-)containers on a bare-metal Power9
server(160 CPUs, 2 NUMA nodes, 256G memory), it is seen that memory
consumption increases quite a lot (around 172G) when the containers are
running. Most of it comes from slab (149G) and within slab, the majority of
it
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