From: Eric Sandeen <sandeen@redhat.com>
To: Norbert Preining <preining@logic.at>
Cc: linux-ext4@vger.kernel.org
Subject: Re: Ext4 slow on links
Date: Tue, 19 Jun 2012 22:15:00 -0500 [thread overview]
Message-ID: <4FE14034.6070800@redhat.com> (raw)
In-Reply-To: <20120620002014.GA25471@gamma.logic.tuwien.ac.at>
On 6/19/12 7:20 PM, Norbert Preining wrote:
> Dear all
>
> (please Cc)
>
> I recently had to track down a big delay in one of my Debian packages,
> and it turned out that it seems to be due to ext4 being *horribly*
> slow on dealing with symlinks.
>
> On my system, if I create a directory with 8000 symlinks (that is
> a real case of a font package shipping special encoded files) and
> the symlink targets are "far away" (long names), then, after
> a reboot a simply
> ls -l
> in this directory took 1m20sec. While on second run it is down to 2secs
> (nice caching).
As Ted said, the targets might be far-flung. If you do /bin/ls -l instead
of maybe an aliased ls which stats everything to make pretty colors,
is that faster?
-Eric
prev parent reply other threads:[~2012-06-20 3:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-20 0:20 Ext4 slow on links Norbert Preining
2012-06-20 2:19 ` Ted Ts'o
2012-06-20 3:38 ` Norbert Preining
2012-06-20 3:57 ` Eric Sandeen
2012-06-20 4:01 ` Norbert Preining
2012-06-20 5:18 ` Norbert Preining
2012-06-20 14:07 ` Eric Sandeen
2012-06-21 2:28 ` Norbert Preining
2012-06-21 4:05 ` Eric Sandeen
2012-06-21 4:50 ` Norbert Preining
2012-06-21 5:18 ` Andreas Dilger
2012-06-21 6:55 ` Norbert Preining
2012-06-22 9:53 ` Bernd Schubert
2012-06-22 14:08 ` Ted Ts'o
2012-06-20 19:35 ` Eric Sandeen
2012-06-20 3:15 ` Eric Sandeen [this message]
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