From: Michal K. <mi...@mk...> - 2011-10-28 22:41:49
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On Tue, Oct 25, 2011 at 10:01:37PM +0100, james wrote: > >In other words: if you use Ext3 and you note performance regressions > >with this release, try disabling barriers ("barriers=0" mount option). > > Don't you mean 'try being thankful that you finally have transactional > semantics, and try not to be too sore that you've been mugged for > years'? The only thing that changed is default setting for one of the filesystems supported in Linux. Barriers were available long before 3.1 and were even on by default on some other filesystems. > There's a reason Linux has historically benchmarked so much faster than > ZFS and NTFS. :-( You are comparing operating system against a filesystem? Comparing Linux with Solaris would make sense, comparing ext3 with ZFS might make sense (if you take a particular implementation of both) but comparing Linux to ZFS doesn't. Michal Kubeček |