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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Shakeel Butt <shakeelb@google.com>
Cc: Michal Hocko <mhocko@kernel.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Roman Gushchin <guro@fb.com>, Greg Thelen <gthelen@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux MM <linux-mm@kvack.org>, Cgroups <cgroups@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] memcg: oom: ignore oom warnings from memory.max
Date: Tue, 5 May 2020 00:44:00 +0900	[thread overview]
Message-ID: <3c24ef6a-f1f4-38e6-2d0f-1eac18dc15bb@i-love.sakura.ne.jp> (raw)
In-Reply-To: <CALvZod5T9pYG1xVHqNM=c68jgKPVXtKjuvV0DSAR+Ld_Mm1c4A@mail.gmail.com>

On 2020/05/04 23:57, Shakeel Butt wrote:
> On Mon, May 4, 2020 at 7:20 AM Tetsuo Handa
> <penguin-kernel@i-love.sakura.ne.jp> wrote:
>>
>> On 2020/05/04 22:54, Shakeel Butt wrote:
>>> It may not be a problem for an individual or small scale deployment
>>> but when "sweep before tear down" is the part of the workflow for
>>> thousands of machines cycling through hundreds of thousands of cgroups
>>> then we can potentially flood the logs with not useful dumps and may
>>> hide (or overflow) any useful information in the logs.
>>
>> I'm proposing a patch which allows configuring which OOM-related messages
>> should be sent to consoles at
>> https://lkml.kernel.org/r/20200424024239.63607-1-penguin-kernel@I-love.SAKURA.ne.jp .
>> Will that approach help you?
> 
>>From what I understand, that patch is specifically for controlling
> messages to consoles. The messages will still be in logs, right?
> 

Right.

If you want to control which OOM-related messages should be sent to syslog,
we could use similar approach.


      reply	other threads:[~2020-05-04 15:44 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30 18:27 Shakeel Butt
2020-04-30 19:06 ` Roman Gushchin
2020-04-30 19:30   ` Johannes Weiner
2020-04-30 20:23     ` Roman Gushchin
2020-04-30 19:31   ` Shakeel Butt
2020-04-30 19:29 ` Johannes Weiner
2020-04-30 20:20   ` Shakeel Butt
2020-05-04  6:57     ` Michal Hocko
2020-05-04 13:54       ` Shakeel Butt
2020-05-01  1:39 ` Yafang Shao
2020-05-01  2:04   ` Shakeel Butt
2020-05-01  2:12     ` Yafang Shao
2020-05-04  7:03   ` Michal Hocko
2020-05-04  7:26     ` Yafang Shao
2020-05-04  7:35       ` Michal Hocko
2020-05-04  7:40         ` Yafang Shao
2020-05-04  8:03           ` Michal Hocko
2020-05-04  6:56 ` Michal Hocko
2020-05-04 13:54   ` Shakeel Butt
2020-05-04 14:11     ` Michal Hocko
2020-05-04 14:53       ` Shakeel Butt
2020-05-04 15:00         ` Michal Hocko
2020-05-04 15:35           ` Shakeel Butt
2020-05-04 15:39             ` Yafang Shao
2020-05-04 16:06             ` Michal Hocko
2020-05-04 19:23               ` Shakeel Butt
2020-05-05  7:13                 ` Michal Hocko
2020-05-05 15:03                   ` Shakeel Butt
2020-05-05 16:57                     ` Johannes Weiner
2020-05-05 15:27                 ` Johannes Weiner
2020-05-05 15:35                   ` Shakeel Butt
2020-05-05 15:49                     ` Michal Hocko
2020-05-05 16:40                     ` Johannes Weiner
2020-05-04 14:20     ` Tetsuo Handa
2020-05-04 14:57       ` Shakeel Butt
2020-05-04 15:44         ` Tetsuo Handa [this message]

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