Peter,
I have been using your -v9 backport to 2.6.22 (thanks very much
btw) for the last few days on an amd64 system configured like this:
[/],[/home],[/backup],...
on top of
[lvm2]
using
[/dev/sdb]
which is an
[areca hw raid 6 device made up from 8 sata disks]
With your patch, perform
On Tue, 2007-09-11 at 22:31 -0400, John Stoffel wrote:
I hope the snipped questions were sufficiently answered in the other
mail. If not, holler :-)
> Peter> 3 is done by also scaling the dirty limit proportional to the
> Peter> current task's recent dirty rate.
>
> Do you mean task or device he
Peter> Per device dirty throttling patches These patches aim to
Peter> improve balance_dirty_pages() and directly address three
Peter> issues:
Peter> 1) inter device starvation
Peter> 2) stacked device deadlocks
Peter> 3) inter process starvation
Peter> 1 and 2 are a direct result from rem
Per device dirty throttling patches
These patches aim to improve balance_dirty_pages() and directly address three
issues:
1) inter device starvation
2) stacked device deadlocks
3) inter process starvation
1 and 2 are a direct result from removing the global dirty limit and using
per device
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