From: Vladimir Davydov <vdavydov@tarantool.org>
To: Vladyslav Frolov <frolvlad@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org
Subject: Re: [Bug 190841] New: [REGRESSION] Intensive Memory CGroup removal leads to high load average 10+
Date: Thu, 12 Jan 2017 18:33:11 +0300 [thread overview]
Message-ID: <20170112153311.GC31816@esperanza> (raw)
In-Reply-To: <CAJABK0M6NYgQRzJnTv0w4qHiyY+zQUHs_5f0_zTNYodDXNi=mQ@mail.gmail.com>
On Thu, Jan 12, 2017 at 03:55:59PM +0200, Vladyslav Frolov wrote:
> Indeed, `cgroup.memory=nokmem` works around the high load average on
> all the kernels!
>
> 4.10rc2 kernel without `cgroup.memory=nokmem` behaves much better than
> 4.7-4.9 kernels, yet it still reaches LA ~6 using my reproduction
> script, while LA <=1.0 is expected. 4.10rc2 feels like 4.6, which I
> described as "seminormal".
Thanks for trying it out. I'll think if we can do anything to further
improve performance over the weekend.
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next prev parent reply other threads:[~2017-01-12 15:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-190841-27@https.bugzilla.kernel.org/>
2017-01-05 1:30 ` [Bug 190841] New: [REGRESSION] Intensive Memory CGroup removal leads to high load average 10+ Andrew Morton
2017-01-05 12:33 ` Michal Hocko
2017-01-05 20:26 ` Vladyslav Frolov
2017-01-06 14:08 ` Michal Hocko
2017-01-05 21:22 ` Johannes Weiner
2017-01-06 16:28 ` Vladimir Davydov
2017-01-12 13:55 ` Vladyslav Frolov
2017-01-12 15:33 ` Vladimir Davydov [this message]
2017-12-26 20:40 ` Vladyslav Frolov
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