Re: [ext3][kernels >= at least] KDE going comatose whenFS is under heavy write load (massive starvation)

From: Matthias Andree
Date: Sat Apr 28 2007 - 04:52:12 EST

On Fri, 27 Apr 2007, Andrew Morton wrote:

> But none of this explains a 20-minute hang, unless a *lot* of fsyncs are
> being performed, perhaps.

Another thing that is rather unpleasant (haven't yet tried fiddling with
the dirty limits) is UDF to DVD-RAM - try rsyncing /home to a DVD-RAM,
that's going to leave you with tons of dirty buffers that clear slowly
-- "watch -n 1 grep -i dirty /proc/meminfo" is boring, but elucidating...

Matthias Andree
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