From: "Frantisek Rysanek" <Frantisek.Rysanek@post.cz>
To: linux-fsdevel@vger.kernel.org
Subject: Re: Disk IO, "Paralllel sequential" load: read-ahead inefficient? FS tuning?
Date: Fri, 10 Apr 2009 08:19:58 +0200 [thread overview]
Message-ID: <49DF012E.17197.988E1FE5@localhost> (raw)
In-Reply-To: <87prfl8zzk.fsf@basil.nowhere.org>
On 9 Apr 2009 at 20:05, Andi Kleen wrote:
[...]
> unsigned long max_sane_readahead(unsigned long nr)
[...]
> Wu Fengguang (cc'ed) is doing a lot of work on the MADV_* readahead
> algorithms. There was a recent new patchkit from him on linux-
kernel
[...]
> For example for faster booting sys_readahead() is widely used now.
>
Okay, thanks for the pointers :-)
Now I know where to get follow-up reading / try some hacking...
Frank Rysanek
prev parent reply other threads:[~2009-04-10 6:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 14:22 Disk IO, "Paralllel sequential" load: read-ahead inefficient? FS tuning? Frantisek Rysanek
2009-04-09 18:05 ` Andi Kleen
2009-04-10 2:35 ` Wu Fengguang
2009-04-10 6:19 ` Frantisek Rysanek [this message]
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