Messages in this thread | | | Date | Thu, 22 Nov 2007 18:21:41 -0600 | From | Matt Mackall <> | Subject | Re: [PATCH 2/9]: Reduce Log I/O latency |
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On Fri, Nov 23, 2007 at 10:09:22AM +1100, David Chinner wrote: > On Fri, Nov 23, 2007 at 09:29:09AM +1100, David Chinner wrote: > > On Thu, Nov 22, 2007 at 12:10:29PM -0600, Matt Mackall wrote: > > > If I've got XFS on filesystems A and B on the same spindle (or volume > > > group?) and my real RT I/O takes place only on B, then I want log > > > flushing to happen in RT on B. But -never on A-. If I can do this with > > > a tunable, I'm perfectly happy. > > > > No, not another mount option. I'm just going to drop this one for > > now... > > Actually, I might change it to use the highest non-rt priority, which > would solve the latency issues in the normal cases and still leave > the RT rope dangling for those that want to use it. > > Is that an acceptible compromise, Matt?
Yes, that's perfectly fine.
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