From: Leroy van Logchem <leroy.vanlogchem@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Understanding I/O behaviour
Date: Sat, 7 Jul 2007 13:23:47 +0000 (UTC) [thread overview]
Message-ID: <loom.20070707T151648-630@post.gmane.org> (raw)
In-Reply-To: 197707.68164.qm@web32604.mail.mud.yahoo.com
> I am just now playing with dirty_ratio. Anybody knows what the lower
> limit is? "0" seems acceptabel, but does it actually imply "write out
> immediatelly"?
You should "watch -n 1 cat /proc/meminfo" and monitor the Dirty and Writeback
while lowering the amount the kernel may keep dirty. The solution we are hoping
for is are the per device dirty throttling -v7 patches.
--
Leroy
next prev parent reply other threads:[~2007-07-07 13:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.gAvf+r9fiPwNwNVqahYy5u1/Is0@ifi.uio.no>
2007-07-05 23:47 ` Understanding I/O behaviour Robert Hancock
2007-07-05 23:53 ` Jesper Juhl
2007-07-06 7:54 ` Martin Knoblauch
2007-07-06 10:15 ` Brice Figureau
2007-07-06 10:11 ` Martin Knoblauch
2007-07-07 13:23 ` Leroy van Logchem [this message]
2007-07-06 14:25 Daniel J Blueman
2007-07-06 15:17 ` Martin Knoblauch
2007-07-06 15:44 ` Daniel J Blueman
-- strict thread matches above, loose matches on Subject: below --
2007-07-06 12:44 Martin Knoblauch
2007-07-06 11:03 Martin Knoblauch
2007-07-06 10:18 Martin Knoblauch
2007-07-05 15:40 Martin Knoblauch
2007-07-05 18:15 ` Andrew Lyon
2007-07-05 20:22 ` Jesper Juhl
2007-07-08 21:28 ` Jesper Juhl
2007-07-09 8:47 ` Martin Knoblauch
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=loom.20070707T151648-630@post.gmane.org \
--to=leroy.vanlogchem@gmail.com \
--cc=linux-kernel@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.