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XFS: the filesystem of the future?

XFS: the filesystem of the future?

Posted Jan 21, 2012 23:10 UTC (Sat) by cmccabe (guest, #60281)
In reply to: XFS: the filesystem of the future? by drag
Parent article: XFS: the filesystem of the future?

Yeah, I agree that dedupe is overrated, for most applications.

Also keep in mind that the more compressed and de-duped your data is, the more likely it is that you'll lose data when there's a hardware problem. Some filesystems, like HDFS, actually write out the data three times or more, which is a kind of anti-deduplication.


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XFS: the filesystem of the future?

Posted Jan 23, 2012 14:29 UTC (Mon) by jezuch (subscriber, #52988) [Link]

> Yeah, I agree that dedupe is overrated, for most applications.

On the other hand, cp --reflink is quite awesome.

> Also keep in mind that the more compressed and de-duped your data is, the more likely it is that you'll lose data when there's a hardware problem. Some filesystems, like HDFS, actually write out the data three times or more, which is a kind of anti-deduplication.

I guess that native RAID-ing in the filesystem is expected to offset this risk, in any "normal" situation at least.


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