From: Jakob Oestergaard <jakob@unthought.net>
To: Badari Pulavarty <pbadari@us.ibm.com>
Cc: andrew <akpm@digeo.com>, linux-kernel@vger.kernel.org
Subject: Re: Testing with 4000 disks
Date: Mon, 7 Apr 2003 10:16:19 +0200 [thread overview]
Message-ID: <20030407081618.GB2473@unthought.net> (raw)
In-Reply-To: <200304041355.05296.pbadari@us.ibm.com>
On Fri, Apr 04, 2003 at 01:55:05PM -0800, Badari Pulavarty wrote:
> Okay !! I just made all my filesystem except root ext2.
> (I couldn't boot when I configed out ext3 - mounting
> root failed).
>
> Anyway, problem seem to have gone away..
> Machine is really slow while trying to do IO on
> all 4000 filesystems. It is slowly creating processes.
> System is 100% busy. (so far, it created 461 processes
> out of 4000). But we are not running out of lowmem and
> inode caches seems to be reasonable..
>
> So, it must be some leak in ext3..
>
Or bad things happening because you have hundreds of processes all
updating the same physical journal...
You mounted rw, and reading a file causes a write due to atime updates.
--
................................................................
: jakob@unthought.net : And I see the elder races, :
:.........................: putrid forms of man :
: Jakob Østergaard : See him rise and claim the earth, :
: OZ9ABN : his downfall is at hand. :
:.........................:............{Konkhra}...............:
prev parent reply other threads:[~2003-04-07 8:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-04 18:24 Testing with 4000 disks Badari Pulavarty
2003-04-04 18:59 ` Dave Hansen
2003-04-04 19:25 ` Badari Pulavarty
2003-04-04 21:55 ` Badari Pulavarty
2003-04-07 8:16 ` Jakob Oestergaard [this message]
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