From: Wu Fengguang <fengguang.wu@intel.com>
To: jack marrow <jackmarrow2@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: Memory usage per memory zone
Date: Thu, 12 Mar 2009 20:06:49 +0800 [thread overview]
Message-ID: <20090312120649.GA20854@localhost> (raw)
In-Reply-To: <e2dc2c680903120448q386f84a4t5667e22751002ae9@mail.gmail.com>
On Thu, Mar 12, 2009 at 01:48:50PM +0200, jack marrow wrote:
> >> Sure, but something is unreclaimable... Maybe some process is taking a
> >> lot of shared memory(shm)? What's the output of `lsof`?
> >
> > I can't paste that, but I expect oracle is using it.
>
> Maybe this is helpful:
>
> # ipcs |grep oracle
> 0x00000000 2293770 oracle 640 4194304 22
> 0x00000000 2326539 oracle 640 536870912 22
> 0x880f3334 2359308 oracle 640 266338304 22
> 0x0f9b5efc 1933312 oracle 640 44
Up to 800M shm...
http://lwn.net/Articles/286485/
http://feedblog.org/2009/01/25/splitlru-patch-in-kernel-2628-must-have-for-mysql-and-innodb/
which reads:
If youa??re running MySQL with InnoDB and an in-memory buffer pool, and
having paging issues, you probably should upgrade to 2.6.28 ASAP.
Thanks,
Fengguang
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next prev parent reply other threads:[~2009-03-12 12:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e2dc2c680903110341g6c9644b8j87ce3b364807e37f@mail.gmail.com>
2009-03-11 11:43 ` Wu Fengguang
2009-03-11 11:51 ` jack marrow
2009-03-11 12:11 ` Wu Fengguang
2009-03-11 12:16 ` jack marrow
2009-03-11 12:26 ` Wu Fengguang
2009-03-12 7:53 ` jack marrow
2009-03-12 7:59 ` Wu Fengguang
[not found] ` <e2dc2c680903120104h4d19a3f6j57ad045bc06f9a90@mail.gmail.com>
[not found] ` <20090312081113.GA19506@localhost>
2009-03-12 8:48 ` jack marrow
2009-03-12 11:14 ` Wu Fengguang
2009-03-12 11:39 ` jack marrow
[not found] ` <e2dc2c680903120117j7be962b2xd63f3296f8f65a46@mail.gmail.com>
2009-03-12 10:38 ` Wu Fengguang
2009-03-12 11:38 ` jack marrow
2009-03-12 11:48 ` jack marrow
2009-03-12 12:06 ` Wu Fengguang [this message]
2009-03-12 11:51 ` Wu Fengguang
2009-03-12 12:01 ` jack marrow
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