From: Boaz Harrosh <bharrosh@panasas.com>
To: Seth Huang <seth.hg@gmail.com>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: OOM problem caused by fs
Date: Mon, 07 Jun 2010 11:42:44 +0300 [thread overview]
Message-ID: <4C0CB104.70407@panasas.com> (raw)
In-Reply-To: <AANLkTiliZt_ml6TCb5RdWqsqv_KFkGcLQqS65TCfktR2@mail.gmail.com>
On 06/07/2010 11:34 AM, Seth Huang wrote:
> Hello everyone,
>
> Our group is developing a new file system for linux and we got stuck
> with out-of-memory problem.
>
> When creating large files in our fs, the system will run out of
> memory(I mean the kernel starts to dump memory usage repeatedly and
> the oom killer begins to kill processes) as long as the amount of data
> exceeds the capacity of free memory, even if the kernel is flushing
> out dirty pages.
>
> If i'm right, when available memory is low, the writes will be blocked
> in page cache allocation until some dirty pages are cleaned. I've
> checked pdflush, it works fine in our system, which means dirty pages
> can be flushed out and cleaned in time. However, it still crashes the
> system. I've no idea how could this happen.
>
> Has anyone experienced the same thing? Any advices will be appreciated.
>
> Thanks,
> Seth
Code!? a git tree URL? ...?
Boaz
next prev parent reply other threads:[~2010-06-07 8:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-07 8:34 OOM problem caused by fs Seth Huang
2010-06-07 8:42 ` Boaz Harrosh [this message]
2010-06-07 9:53 ` Nick Piggin
2010-06-07 17:34 ` Seth Huang
2010-06-09 4:01 ` Tao Ma
2010-06-09 8:16 ` Seth Huang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C0CB104.70407@panasas.com \
--to=bharrosh@panasas.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=seth.hg@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).