Date: Tue, 24 Jul 2001 12:43:55 +1000 From: Tony Maher <tonym@angis.org.au> To: "Albert D. Cahalan" <acahalan@cs.uml.edu>, stable@freebsd.org Subject: Re: Softupdate, is it better than journaling file system? Message-ID: <3B5CE0EB.2227C110@angis.org.au> References: <200107240144.f6O1iwN277507@saturn.cs.uml.edu>
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"Albert D. Cahalan" wrote: > > Sung Nae Cho writes: > > > I was wondering if there is a real perferomance comparison > > between softupdates and journaling file systems > > No, there is not. > > Journalling can be very fast when sync writes are required. > (for email, NFS, or whatever) At other times, it can be slow. > Your mileage may vary. > > Note that many journalling filesystems have performance > benefits that are completely unrelated to journalling. > This is simply a result of newer design. Or you could read some actual research on the subject: http://www.usenix.org/publications/library/proceedings/usenix2000/general/seltzer.html -- Tony Maher To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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