From: Ted Ts'o <tytso@mit.edu>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andi Kleen <andi@firstfloor.org>,
Vivek Haldar <haldar@google.com>,
Andreas Dilger <adilger@dilger.ca>,
linux-ext4@vger.kernel.org
Subject: Re: [RFC, PATCH] Avoid hot statistics cache line in ext4 extent cache
Date: Fri, 13 Apr 2012 15:33:56 -0400 [thread overview]
Message-ID: <20120413193356.GB5898@thunk.org> (raw)
In-Reply-To: <1334345213.3796.21.camel@schen9-DESK>
On Fri, Apr 13, 2012 at 12:26:53PM -0700, Tim Chen wrote:
>
> The files are sparse files. So the amount of IO is limited and we are
> not IO constrained.
>
... OK, and exactly how sparse are these files? Can you say something
about the relatistic use case this workload is supposed to represent?
Or is this more of an artificial/micro benchmark?
- Ted
next prev parent reply other threads:[~2012-04-13 19:34 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-23 22:17 [RFC, PATCH] Avoid hot statistics cache line in ext4 extent cache Andi Kleen
2012-03-24 1:10 ` Andreas Dilger
2012-03-24 3:13 ` Andi Kleen
2012-03-26 22:26 ` Vivek Haldar
2012-03-26 23:00 ` Andi Kleen
2012-03-26 23:57 ` Ted Ts'o
2012-04-11 16:59 ` Andi Kleen
2012-04-13 17:42 ` Linus Torvalds
2012-04-13 17:53 ` Tim Chen
2012-04-13 18:08 ` Linus Torvalds
2012-04-13 18:31 ` Tim Chen
2012-04-13 18:33 ` Linus Torvalds
2012-04-13 18:37 ` Ted Ts'o
2012-04-13 18:41 ` Andi Kleen
2012-04-13 18:48 ` Ted Ts'o
2012-04-13 19:01 ` Eric Whitney
2012-04-13 19:26 ` Tim Chen
2012-04-13 19:33 ` Ted Ts'o [this message]
2012-04-13 17:57 ` Andi Kleen
2012-04-13 18:06 ` Ted Ts'o
2012-04-13 18:22 ` Andi Kleen
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