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Date: Wed, 20 Jun 2012 13:01:52 +0900 From: Norbert Preining <preining@...ic.at> To: Eric Sandeen <esandeen@...hat.com> Cc: Ted Ts'o <tytso@....edu>, Eric Sandeen <sandeen@...hat.com>, "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org> Subject: Re: Ext4 slow on links Hi Eric, On Di, 19 Jun 2012, Eric Sandeen wrote: > You might see if the dir itself is badly fragmented I don't think so, since I did: for i in /usr/local/font-collection/......./* ; do ln -s $i . ; done reboot time ls -l >/dev/null newly created entries shouldn't b fragmented, I guess. > (if not filefrag, stat in debugfs would show you block mapping) and > maybe a blktrace of the actions would show you something interesting as well. I will investigate, but it is the first time I look into that so if you have a link to quick howto, great, otherwise I read through man pages ;-) Best wishes Norbert ------------------------------------------------------------------------ Norbert Preining preining@...ist.ac.jp, logic.at, debian.org} JAIST, Japan TeX Live & Debian Developer DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------ `You'd better be prepared for the jump into hyperspace. It's unpleasently like being drunk.' `What's so unpleasent about being drunk?' `You ask a glass of water.' --- Arthur getting ready for his first jump into hyperspace. --- Douglas Adams, The Hitchhikers Guide to the Galaxy -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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