This seems to fix the worst of it, I'll run with it for a few days and
respin the patches and repost when nothing weird happens.
---
Found missing bdi_stat_init() sites for NFS and Fuse
Optimize bdi_writeout_norm(), break out of the loop when we hit zero. This will
allow 'new' BDIs to catch up w
On Tue, 2007-03-20 at 20:38 +1100, David Chinner wrote:
> On Tue, Mar 20, 2007 at 09:08:24AM +0100, Peter Zijlstra wrote:
> > On Tue, 2007-03-20 at 18:47 +1100, David Chinner wrote:
> > > So overall we've lost about 15-20% of the theoretical aggregate
> > > perfomrance, but we haven't starved any o
On Tue, Mar 20, 2007 at 09:08:24AM +0100, Peter Zijlstra wrote:
> On Tue, 2007-03-20 at 18:47 +1100, David Chinner wrote:
> > So overall we've lost about 15-20% of the theoretical aggregate
> > perfomrance, but we haven't starved any of the devices over a
> > long period of time.
> >
> > However,
On Tue, 2007-03-20 at 18:47 +1100, David Chinner wrote:
> On Mon, Mar 19, 2007 at 04:57:37PM +0100, Peter Zijlstra wrote:
> > This patch-set implements per device dirty page throttling. Which should
> > solve
> > the problem we currently have with one device hogging the dirty limit.
> >
> > Preli
On Mon, Mar 19, 2007 at 04:57:37PM +0100, Peter Zijlstra wrote:
> This patch-set implements per device dirty page throttling. Which should solve
> the problem we currently have with one device hogging the dirty limit.
>
> Preliminary testing shows good results:
I just ran some higher throughput n
Sorry for duplicates, I was fooled by an MTA hanging on to them for a
few hours. I counted them lost in cyberspace.
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This patch-set implements per device dirty page throttling. Which should solve
the problem we currently have with one device hogging the dirty limit.
Preliminary testing shows good results:
mem=128M
time (dd if=/dev/zero of=/mnt//zero bs=4096 count=$((1024*1024/4)); sync)
1GB to disk
real0
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