Linked by Rahul on Sat 18th Oct 2008 11:29 UTC
Linux While Ext4 was originally merged in 2.6.19, it was marked as a development filesystem. It has been a long time coming but as planned, Ext4dev has been renamed to Ext4 in 2.6.28 to indicate its level of maturity and paving the way for production level deployments. Ext4 filesystem developer Ted Tso also endorsed Btrfs as a multi-vendor, next generation filesystem and along with the interest from Andrew Morton, Btrfs is planned to be merged before 2.6.29 is released. It will follow a similar development process to Ext4 and be initially marked as development only.
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RE[5]: relevant?
by UltraZelda64 on Sun 19th Oct 2008 20:47 UTC in reply to "RE[4]: relevant?"
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When NTFS was designed, Windows users were already used to the routine of regular defrags, and would likely do it whether the filesystem required it or not. So why make fragmentation avoidance a high priority?

True... it's hard to break a habit of defragging all the time; it feels like something's "wrong" or you're missing something after coming from DOS-based Windows to XP in my experience. Still though, I found that I had to defragment every week, *still*, to keep the performance up. It doesn't slow down near as bad as Win9x, but it does get noticeable.

On Linux, I use XFS primarily due to its efficiency at dealing with large files and the fact that it includes an online defragmenter. Fragmentation does still happen, and I run xfs_fsr occasionally, but it only really effects performance when I'm doing something extreme like using BitTorrent to download large, several-hundred-megabyte (or larger) files.

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