From: Michal Hocko <mhocko@kernel.org>
To: Raymond Jennings <shentino@gmail.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: Heavy I/O causing slow interactivity
Date: Tue, 4 Apr 2017 13:25:15 +0200 [thread overview]
Message-ID: <20170404112514.GB15490@dhcp22.suse.cz> (raw)
In-Reply-To: <CAGDaZ_qvb7QcWr3MaqnYOFeuqBQzTwzzOKwHXOUxa+S256uc=g@mail.gmail.com>
On Mon 03-04-17 10:39:39, Raymond Jennings wrote:
> I'm running gentoo and it's emerging llvm. This I/O heavy process is
> causing slowdowns when I attempt interactive stuff, including watching
> a youtube video and accessing a chatroom.
>
> Similar latency is induced during a heavy database application.
>
> As an end user is there anything I can do to better support
> interactive performance?
>
> And as a potential kernel developer, is there anything I could tweak
> in the kernel source to mitigate this behavior?
How much memory do you have? What is your /proc/sys/vm/dirty_* setting?
What kind of storage do you use?
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2017-04-04 11:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-03 17:39 Heavy I/O causing slow interactivity Raymond Jennings
2017-04-04 11:25 ` Michal Hocko [this message]
2017-04-05 12:53 ` Mike Rapoport
2017-04-05 18:15 ` Raymond Jennings
2017-04-05 18:43 ` Michal Hocko
2017-04-13 18:13 ` Raymond Jennings
2017-04-17 8:19 ` Michal Hocko
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