Messages in this thread | | | Date | Wed, 1 Apr 2009 14:21:43 -0700 | Subject | Re: Ext4 and the "30 second window of death" | From | Ray Lee <> |
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On Wed, Apr 1, 2009 at 10:43 AM, Matthew Garrett <mjg59@srcf.ucam.org> wrote: > I've got absolutely no idea why anyone would want fsync() to stop > meaning "Put my data on the disk please".
Some guy named Andrew used to run a kernel with 'return 0' at the top of fsync and fdatasync: http://lkml.org/lkml/2007/4/27/88
It's that the latency penalty of apps using *sync() on common hardware sucks. That's all, and finding a way to fix that would make this entire thread go away, I think.
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