From: Mike Rapoport <rppt@linux.vnet.ibm.com>
To: Raymond Jennings <shentino@gmail.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: Heavy I/O causing slow interactivity
Date: Wed, 5 Apr 2017 15:53:22 +0300 [thread overview]
Message-ID: <20170405125322.GB9146@rapoport-lnx> (raw)
In-Reply-To: <CAGDaZ_qvb7QcWr3MaqnYOFeuqBQzTwzzOKwHXOUxa+S256uc=g@mail.gmail.com>
On Mon, Apr 03, 2017 at 10:39:39AM -0700, 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.
"emerge llvm" means "build LLVM compiler suite and install it", right?
This could be quite CPU and memory intensive as well.
Depending on your hardware and options you use it just may end up eating all
the system resources...
> 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?
>
> I've tried SCHED_IDLE and idle class with ionice, both to no avail.
--
Sincerely yours,
Mike.
--
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next prev parent reply other threads:[~2017-04-05 12:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-03 17:39 Raymond Jennings
2017-04-04 11:25 ` Michal Hocko
2017-04-05 12:53 ` Mike Rapoport [this message]
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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