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Message-ID: <472630D7.4020606@redhat.com> Date: Mon, 29 Oct 2007 14:13:27 -0500 From: Eric Sandeen <sandeen@...hat.com> To: ext4 development <linux-ext4@...r.kernel.org> Subject: Re: delalloc fragmenting files? Eric Sandeen wrote: > (note: times & rates look wrong to me, something is up with blktrace I > think, but FIBMAP shouldn't lie about allocation) CONFIG_NO_HZ was causing this... here are better graphs: http://people.redhat.com/esandeen/seekwatcher/ext4-dd-write.png http://people.redhat.com/esandeen/seekwatcher/xfs-dd-write.png http://people.redhat.com/esandeen/seekwatcher/ext4-xfs-dd-write.png http://people.redhat.com/esandeen/seekwatcher/ext4-dd-write-odirect.png http://people.redhat.com/esandeen/seekwatcher/xfs-dd-write-odirect.png http://people.redhat.com/esandeen/seekwatcher/ext4-xfs-dd-write-odirect.png -Eric - 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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