linux-kernel - Re: [PATCH] improve the performance of large sequential write NFS workloads

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1261485515.4937.28.camel@laptop>
Date:	Tue, 22 Dec 2009 13:38:35 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Jan Kara <jack@...e.cz>
Cc:	Steve Rago <sar@...-labs.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Trond.Myklebust@...app.com" <Trond.Myklebust@...app.com>,
	"jens.axboe" <jens.axboe@...cle.com>,
	Peter Staubach <staubach@...hat.com>
Subject: Re: [PATCH] improve the performance of large sequential write NFS
 workloads

On Tue, 2009-12-22 at 13:25 +0100, Jan Kara wrote:
>   I believe that if we had per-bdi dirty_background_ratio and set it low
> for NFS's bdi, 

There's two things there I think:
 1) bdi_background
 2) different background ratios per bdi

1) could be 'trivially' done much like we do bdi_dirty in
get_dirty_limits().

2) I'm not at all convinced we want to go there.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/